165654910912 has 28 divisors (see below), whose sum is σ = 328740999616. Its totient is φ = 82822533120.

The previous prime is 165654910871. The next prime is 165654910951. The reversal of 165654910912 is 219019456561.

It is a congruent number.

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, 1163488 + ... + 1298080.

Almost surely, 2^165654910912 is an apocalyptic number.

It is an amenable number.

165654910912 is a deficient number, since it is larger than the sum of its proper divisors (163086088704).

165654910912 is a wasteful number, since it uses less digits than its factorization.

165654910912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153836 (or 153826 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 165654910912 in words is "one hundred sixty-five billion, six hundred fifty-four million, nine hundred ten thousand, nine hundred twelve".