2631896766 has 16 divisors (see below), whose sum is σ = 5848659600. Its totient is φ = 877298904.

The previous prime is 2631896689. The next prime is 2631896779. The reversal of 2631896766 is 6676981362.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 48738829 = 2631896766 / (2 + 6 + 3 + 1 + 8 + 9 + 6 + 7 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24369361 + ... + 24369468.

It is an arithmetic number, because the mean of its divisors is an integer number (365541225).

Almost surely, 2^2631896766 is an apocalyptic number.

2631896766 is an abundant number, since it is smaller than the sum of its proper divisors (3216762834).

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

2631896766 is a wasteful number, since it uses less digits than its factorization.

2631896766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48738840 (or 48738834 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 2631896766 is about 51302.0152235758. The cubic root of 2631896766 is about 1380.6691367430.

The spelling of 2631896766 in words is "two billion, six hundred thirty-one million, eight hundred ninety-six thousand, seven hundred sixty-six".