667216061832 has 64 divisors (see below), whose sum is σ = 1772195572800. Its totient is φ = 208932514560.

The previous prime is 667216061821. The next prime is 667216061851. The reversal of 667216061832 is 238160612766.

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, 12928894 + ... + 12980397.

It is an arithmetic number, because the mean of its divisors is an integer number (27690555825).

Almost surely, 2^667216061832 is an apocalyptic number.

It is an amenable number.

667216061832 is an abundant number, since it is smaller than the sum of its proper divisors (1104979510968).

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

667216061832 is a wasteful number, since it uses less digits than its factorization.

667216061832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25909366 (or 25909362 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 667216061832 in words is "six hundred sixty-seven billion, two hundred sixteen million, sixty-one thousand, eight hundred thirty-two".