16157860931 has 2 divisors, whose sum is σ = 16157860932. Its totient is φ = 16157860930.

The previous prime is 16157860907. The next prime is 16157860937. The reversal of 16157860931 is 13906875161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16157860931 - 2⁶ = 16157860867 is a prime.

It is a super-2 number, since 2×16157860931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16157860937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078930465 + 8078930466.

It is an arithmetic number, because the mean of its divisors is an integer number (8078930466).

Almost surely, 2^16157860931 is an apocalyptic number.

16157860931 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157860931 is an equidigital number, since it uses as much as digits as its factorization.

16157860931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 16157860931 in words is "sixteen billion, one hundred fifty-seven million, eight hundred sixty thousand, nine hundred thirty-one".