996163931 has 8 divisors (see below), whose sum is σ = 1138719744. Its totient is φ = 853669800.

The previous prime is 996163837. The next prime is 996163937. The reversal of 996163931 is 139361699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996163931 is a prime.

It is a super-2 number, since 2×996163931² = 1984685154850745522, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 996163931 parts by 44635 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996163937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26966 + ... + 52148.

It is an arithmetic number, because the mean of its divisors is an integer number (142339968).

Almost surely, 2^996163931 is an apocalyptic number.

996163931 is a deficient number, since it is larger than the sum of its proper divisors (142555813).

996163931 is a wasteful number, since it uses less digits than its factorization.

996163931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30841.

The product of its digits is 236196, while the sum is 47.

The square root of 996163931 is about 31562.0647455137. The cubic root of 996163931 is about 998.7196717926.

The spelling of 996163931 in words is "nine hundred ninety-six million, one hundred sixty-three thousand, nine hundred thirty-one".