66254082832 has 40 divisors (see below), whose sum is σ = 150117235136. Its totient is φ = 27734265216.

The previous prime is 66254082827. The next prime is 66254082841. The reversal of 66254082832 is 23828045266.

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, 6873723 + ... + 6883354.

Almost surely, 2^66254082832 is an apocalyptic number.

It is an amenable number.

66254082832 is an abundant number, since it is smaller than the sum of its proper divisors (83863152304).

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

66254082832 is a wasteful number, since it uses less digits than its factorization.

66254082832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757135 (or 13757129 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 66254082832 in words is "sixty-six billion, two hundred fifty-four million, eighty-two thousand, eight hundred thirty-two".