6631625316 has 48 divisors (see below), whose sum is σ = 15661900800. Its totient is φ = 2183715072.

The previous prime is 6631625303. The next prime is 6631625321. The reversal of 6631625316 is 6135261366.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1592445 + ... + 1596603.

It is an arithmetic number, because the mean of its divisors is an integer number (326289600).

Almost surely, 2^6631625316 is an apocalyptic number.

It is an amenable number.

6631625316 is an abundant number, since it is smaller than the sum of its proper divisors (9030275484).

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

6631625316 is a wasteful number, since it uses less digits than its factorization.

6631625316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748 (or 5746 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 6631625316 is about 81434.7918030125. The cubic root of 6631625316 is about 1878.7687460110.

The spelling of 6631625316 in words is "six billion, six hundred thirty-one million, six hundred twenty-five thousand, three hundred sixteen".