664274677012 has 12 divisors (see below), whose sum is σ = 1163297617216. Its totient is φ = 331903929240.

The previous prime is 664274676883. The next prime is 664274677019. The reversal of 664274677012 is 210776472466.

664274677012 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 not an unprimeable number, because it can be changed into a prime (664274677019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58345914 + ... + 58357297.

Almost surely, 2^664274677012 is an apocalyptic number.

It is an amenable number.

664274677012 is a deficient number, since it is larger than the sum of its proper divisors (499022940204).

664274677012 is a wasteful number, since it uses less digits than its factorization.

664274677012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116704638 (or 116704636 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 664274677012 in words is "six hundred sixty-four billion, two hundred seventy-four million, six hundred seventy-seven thousand, twelve".