8160000931 has 2 divisors, whose sum is σ = 8160000932. Its totient is φ = 8160000930.

The previous prime is 8160000917. The next prime is 8160000983. The reversal of 8160000931 is 1390000618.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8160000931 - 2⁷ = 8160000803 is a prime.

It is a super-2 number, since 2×8160000931² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8160000931.

It is not a weakly prime, because it can be changed into another prime (8160070931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080000465 + 4080000466.

It is an arithmetic number, because the mean of its divisors is an integer number (4080000466).

Almost surely, 2^8160000931 is an apocalyptic number.

8160000931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8160000931 is an equidigital number, since it uses as much as digits as its factorization.

8160000931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8160000931 is about 90332.7234782612. The cubic root of 8160000931 is about 2013.2454956861.

The spelling of 8160000931 in words is "eight billion, one hundred sixty million, nine hundred thirty-one", and thus it is an aban number.