32161760664 has 64 divisors (see below), whose sum is σ = 87730439040. Its totient is φ = 9744149760.

The previous prime is 32161760639. The next prime is 32161760773. The reversal of 32161760664 is 46606716123.

It is a congruent 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, 2183067 + ... + 2197749.

It is an arithmetic number, because the mean of its divisors is an integer number (1370788110).

Almost surely, 2^32161760664 is an apocalyptic number.

It is an amenable number.

32161760664 is an abundant number, since it is smaller than the sum of its proper divisors (55568678376).

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

32161760664 is a wasteful number, since it uses less digits than its factorization.

32161760664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000 (or 22996 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 32161760664 in words is "thirty-two billion, one hundred sixty-one million, seven hundred sixty thousand, six hundred sixty-four".