16161555476924 has 48 divisors (see below), whose sum is σ = 34976056778880. Its totient is φ = 6424173685440.

The previous prime is 16161555476881. The next prime is 16161555476939. The reversal of 16161555476924 is 42967455516161.

It is a super-2 number, since 2×16161555476924² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 743527754 + ... + 743549489.

It is an arithmetic number, because the mean of its divisors is an integer number (728667849560).

Almost surely, 2^{16161555476924} is an apocalyptic number.

It is an amenable number.

16161555476924 is an abundant number, since it is smaller than the sum of its proper divisors (18814501301956).

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

16161555476924 is a wasteful number, since it uses less digits than its factorization.

16161555476924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487077290 (or 1487077288 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 62.

The spelling of 16161555476924 in words is "sixteen trillion, one hundred sixty-one billion, five hundred fifty-five million, four hundred seventy-six thousand, nine hundred twenty-four".