32731056516 has 48 divisors (see below), whose sum is σ = 77474130048. Its totient is φ = 10753075200.

The previous prime is 32731056503. The next prime is 32731056559. The reversal of 32731056516 is 61565013723.

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, 3977286 + ... + 3985506.

It is an arithmetic number, because the mean of its divisors is an integer number (1614044376).

Almost surely, 2^32731056516 is an apocalyptic number.

It is an amenable number.

32731056516 is an abundant number, since it is smaller than the sum of its proper divisors (44743073532).

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

32731056516 is a wasteful number, since it uses less digits than its factorization.

32731056516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 32731056516 in words is "thirty-two billion, seven hundred thirty-one million, fifty-six thousand, five hundred sixteen".