66707333373732 has 24 divisors (see below), whose sum is σ = 163842573199200. Its totient is φ = 21065473696896.

The previous prime is 66707333373721. The next prime is 66707333373761. The reversal of 66707333373732 is 23737333370766.

It is a happy 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, 146288011557 + ... + 146288012012.

It is an arithmetic number, because the mean of its divisors is an integer number (6826773883300).

Almost surely, 2^{66707333373732} is an apocalyptic number.

It is an amenable number.

66707333373732 is an abundant number, since it is smaller than the sum of its proper divisors (97135239825468).

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

66707333373732 is a wasteful number, since it uses less digits than its factorization.

66707333373732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292576023595 (or 292576023593 counting only the distinct ones).

The product of its (nonzero) digits is 126023688, while the sum is 60.

The spelling of 66707333373732 in words is "sixty-six trillion, seven hundred seven billion, three hundred thirty-three million, three hundred seventy-three thousand, seven hundred thirty-two".