664562468604 has 48 divisors (see below), whose sum is σ = 1561214793600. Its totient is φ = 220011270720.

The previous prime is 664562468573. The next prime is 664562468611. The reversal of 664562468604 is 406864265466.

664562468604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 33481107 + ... + 33500949.

It is an arithmetic number, because the mean of its divisors is an integer number (32525308200).

Almost surely, 2^664562468604 is an apocalyptic number.

It is an amenable number.

664562468604 is an abundant number, since it is smaller than the sum of its proper divisors (896652324996).

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

664562468604 is a wasteful number, since it uses less digits than its factorization.

664562468604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38730 (or 38728 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 57.

The spelling of 664562468604 in words is "six hundred sixty-four billion, five hundred sixty-two million, four hundred sixty-eight thousand, six hundred four".