164677909761 has 32 divisors (see below), whose sum is σ = 244702909440. Its totient is φ = 109454716800.

The previous prime is 164677909751. The next prime is 164677909793. The reversal of 164677909761 is 167909776461.

164677909761 is a `hidden beast` number, since 16 + 467 + 7 + 90 + 9 + 76 + 1 = 666.

It is not a de Polignac number, because 164677909761 - 2³⁵ = 130318171393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164677909741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13934491 + ... + 13946303.

It is an arithmetic number, because the mean of its divisors is an integer number (7646965920).

Almost surely, 2^164677909761 is an apocalyptic number.

It is an amenable number.

164677909761 is a deficient number, since it is larger than the sum of its proper divisors (80024999679).

164677909761 is a wasteful number, since it uses less digits than its factorization.

164677909761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334 (or 13328 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 164677909761 in words is "one hundred sixty-four billion, six hundred seventy-seven million, nine hundred nine thousand, seven hundred sixty-one".