66113502635532 has 48 divisors (see below), whose sum is σ = 178188263793792. Its totient is φ = 18855900929280.

The previous prime is 66113502635513. The next prime is 66113502635539. The reversal of 66113502635532 is 23553620531166.

It is not an unprimeable number, because it can be changed into a prime (66113502635539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14731170358 + ... + 14731174845.

It is an arithmetic number, because the mean of its divisors is an integer number (3712255495704).

Almost surely, 2^{66113502635532} is an apocalyptic number.

It is an amenable number.

66113502635532 is an abundant number, since it is smaller than the sum of its proper divisors (112074761158260).

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

66113502635532 is a wasteful number, since it uses less digits than its factorization.

66113502635532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29462345238 (or 29462345236 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 66113502635532 in words is "sixty-six trillion, one hundred thirteen billion, five hundred two million, six hundred thirty-five thousand, five hundred thirty-two".