66737036667004 has 24 divisors (see below), whose sum is σ = 127410163393968. Its totient is φ = 30334280144640.

The previous prime is 66737036666983. The next prime is 66737036667023. The reversal of 66737036667004 is 40076663073766.

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, 16578187 + ... + 20206690.

It is an arithmetic number, because the mean of its divisors is an integer number (5308756808082).

Almost surely, 2^{66737036667004} is an apocalyptic number.

It is an amenable number.

66737036667004 is a deficient number, since it is larger than the sum of its proper divisors (60673126726964).

66737036667004 is a wasteful number, since it uses less digits than its factorization.

66737036667004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826125 (or 36826123 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 61.

The spelling of 66737036667004 in words is "sixty-six trillion, seven hundred thirty-seven billion, thirty-six million, six hundred sixty-seven thousand, four".