164902204898 has 18 divisors (see below), whose sum is σ = 249914503137. Its totient is φ = 81606040600.

The previous prime is 164902204879. The next prime is 164902204919. The reversal of 164902204898 is 898402209461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114458392489 + 50443812409 = 338317^2 + 224597^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=287143.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58001465 + ... + 58004307.

Almost surely, 2^164902204898 is an apocalyptic number.

164902204898 is a deficient number, since it is larger than the sum of its proper divisors (85012298239).

164902204898 is an frugal number, since it uses more digits than its factorization.

164902204898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 164902204898 in words is "one hundred sixty-four billion, nine hundred two million, two hundred four thousand, eight hundred ninety-eight".