164568066 has 32 divisors (see below), whose sum is σ = 358124928. Its totient is φ = 50112000.

The previous prime is 164568043. The next prime is 164568071. The reversal of 164568066 is 660865461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310 + ... + 18441.

It is an arithmetic number, because the mean of its divisors is an integer number (11191404).

Almost surely, 2^164568066 is an apocalyptic number.

164568066 is an abundant number, since it is smaller than the sum of its proper divisors (193556862).

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

164568066 is a wasteful number, since it uses less digits than its factorization.

164568066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 164568066 is about 12828.4085528954. The cubic root of 164568066 is about 548.0016361150.

The spelling of 164568066 in words is "one hundred sixty-four million, five hundred sixty-eight thousand, sixty-six".