66737007004 has 12 divisors (see below), whose sum is σ = 119946242584. Its totient is φ = 32466651984.

The previous prime is 66737006927. The next prime is 66737007031. The reversal of 66737007004 is 40070073766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225462714 + ... + 225463009.

Almost surely, 2^66737007004 is an apocalyptic number.

It is an amenable number.

66737007004 is a deficient number, since it is larger than the sum of its proper divisors (53209235580).

66737007004 is a wasteful number, since it uses less digits than its factorization.

66737007004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450925764 (or 450925762 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 66737007004 in words is "sixty-six billion, seven hundred thirty-seven million, seven thousand, four".