66732007900 has 36 divisors (see below), whose sum is σ = 145173300328. Its totient is φ = 26625551040.

The previous prime is 66732007891. The next prime is 66732007933. The reversal of 66732007900 is 970023766.

66732007900 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800754 + ... + 880153.

Almost surely, 2^66732007900 is an apocalyptic number.

It is an amenable number.

66732007900 is an abundant number, since it is smaller than the sum of its proper divisors (78441292428).

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

66732007900 is a wasteful number, since it uses less digits than its factorization.

66732007900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681318 (or 1681311 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 66732007900 in words is "sixty-six billion, seven hundred thirty-two million, seven thousand, nine hundred".