664033367004 has 24 divisors (see below), whose sum is σ = 1770755645568. Its totient is φ = 189723819120.

The previous prime is 664033366993. The next prime is 664033367087. The reversal of 664033367004 is 400763330466.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952579482 + ... + 3952579649.

It is an arithmetic number, because the mean of its divisors is an integer number (73781485232).

Almost surely, 2^664033367004 is an apocalyptic number.

It is an amenable number.

664033367004 is an abundant number, since it is smaller than the sum of its proper divisors (1106722278564).

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

664033367004 is a wasteful number, since it uses less digits than its factorization.

664033367004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905159145 (or 7905159143 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 42.

The spelling of 664033367004 in words is "six hundred sixty-four billion, thirty-three million, three hundred sixty-seven thousand, four".