16157868660 has 120 divisors (see below), whose sum is σ = 53355714720. Its totient is φ = 4081980096.

The previous prime is 16157868653. The next prime is 16157868689. The reversal of 16157868660 is 6686875161.

16157868660 is a `hidden beast` number, since 1 + 6 + 1 + 578 + 6 + 8 + 6 + 60 = 666.

It is a super-2 number, since 2×16157868660² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 16157868597 and 16157868606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 231694 + ... + 293253.

It is an arithmetic number, because the mean of its divisors is an integer number (444630956).

Almost surely, 2^16157868660 is an apocalyptic number.

16157868660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16157868660 is an abundant number, since it is smaller than the sum of its proper divisors (37197846060).

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

16157868660 is a wasteful number, since it uses less digits than its factorization.

16157868660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524987 (or 524976 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 16157868660 in words is "sixteen billion, one hundred fifty-seven million, eight hundred sixty-eight thousand, six hundred sixty".