662531672812 has 12 divisors (see below), whose sum is σ = 1159436278000. Its totient is φ = 331264164816.

The previous prime is 662531672791. The next prime is 662531672827. The reversal of 662531672812 is 218276135266.

662531672812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035598 + ... + 1548394.

Almost surely, 2^662531672812 is an apocalyptic number.

It is an amenable number.

662531672812 is a deficient number, since it is larger than the sum of its proper divisors (496904605188).

662531672812 is a wasteful number, since it uses less digits than its factorization.

662531672812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835800 (or 835798 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 662531672812 in words is "six hundred sixty-two billion, five hundred thirty-one million, six hundred seventy-two thousand, eight hundred twelve".