66737000373732 has 72 divisors (see below), whose sum is σ = 181812373788864. Its totient is φ = 20518702094016.

The previous prime is 66737000373697. The next prime is 66737000373737. The reversal of 66737000373732 is 23737300073766.

It is not an unprimeable number, because it can be changed into a prime (66737000373737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54110238 + ... + 55329845.

Almost surely, 2^{66737000373732} is an apocalyptic number.

It is an amenable number.

66737000373732 is an abundant number, since it is smaller than the sum of its proper divisors (115075373415132).

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

66737000373732 is a wasteful number, since it uses less digits than its factorization.

66737000373732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109441409 (or 109441404 counting only the distinct ones).

The product of its (nonzero) digits is 14002632, while the sum is 54.

The spelling of 66737000373732 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred seventy-three thousand, seven hundred thirty-two".