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164631673088 = 281737828969
BaseRepresentation
bin1001100101010011001…
…1111111100100000000
3120201221110112112000122
42121110303333210000
510144131202014323
6203344124035412
714615504063201
oct2312463774400
9521843475018
10164631673088
1163902318763
1227aa6992b68
13126a89c659c
147d7aad75a8
1544383d9ec8
hex2654cff900

164631673088 has 36 divisors (see below), whose sum is σ = 347950866060. Its totient is φ = 77473726464.

The previous prime is 164631673079. The next prime is 164631673097. The reversal of 164631673088 is 880376136461.

It is an interprime number because it is at equal distance from previous prime (164631673079) and next prime (164631673097).

It can be written as a sum of positive squares in 2 ways, for example, as 99684169984 + 64947503104 = 315728^2 + 254848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18910133 + ... + 18918836.

It is an arithmetic number, because the mean of its divisors is an integer number (9665301835).

Almost surely, 2164631673088 is an apocalyptic number.

It is an amenable number.

164631673088 is an abundant number, since it is smaller than the sum of its proper divisors (183319192972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164631673088 is an equidigital number, since it uses as much as digits as its factorization.

164631673088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37829002 (or 37828988 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 164631673088 in words is "one hundred sixty-four billion, six hundred thirty-one million, six hundred seventy-three thousand, eighty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 2176 4352 37828969 75657938 151315876 302631752 605263504 643092473 1210527008 1286184946 2421054016 2572369892 4842108032 5144739784 9684216064 10289479568 20578959136 41157918272 82315836544 164631673088