2631696816 has 80 divisors (see below), whose sum is σ = 7775327744. Its totient is φ = 751375872.

The previous prime is 2631696811. The next prime is 2631696827. The reversal of 2631696816 is 6186961362.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2631696811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910125 + ... + 913011.

Almost surely, 2^2631696816 is an apocalyptic number.

It is an amenable number.

2631696816 is an abundant number, since it is smaller than the sum of its proper divisors (5143630928).

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

2631696816 is a wasteful number, since it uses less digits than its factorization.

2631696816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5612 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 2631696816 is about 51300.0664327055. The cubic root of 2631696816 is about 1380.6341718730.

The spelling of 2631696816 in words is "two billion, six hundred thirty-one million, six hundred ninety-six thousand, eight hundred sixteen".