6456631132 has 96 divisors (see below), whose sum is σ = 13443584000. Its totient is φ = 2656592640.

The previous prime is 6456631109. The next prime is 6456631147. The reversal of 6456631132 is 2311366546.

It is a junction number, because it is equal to n+sod(n) for n = 6456631091 and 6456631100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14707369 + ... + 14707807.

Almost surely, 2^6456631132 is an apocalyptic number.

It is an amenable number.

6456631132 is an abundant number, since it is smaller than the sum of its proper divisors (6986952868).

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

6456631132 is a wasteful number, since it uses less digits than its factorization.

6456631132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 6456631132 is about 80353.1650403393. The cubic root of 6456631132 is about 1862.0956773613.

Adding to 6456631132 its reverse (2311366546), we get a palindrome (8767997678).

The spelling of 6456631132 in words is "six billion, four hundred fifty-six million, six hundred thirty-one thousand, one hundred thirty-two".