66004115232760 has 32 divisors (see below), whose sum is σ = 148561496342640. Its totient is φ = 26392359503104.

The previous prime is 66004115232751. The next prime is 66004115232763. The reversal of 66004115232760 is 6723251140066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66004115232763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290090797 + ... + 290318236.

Almost surely, 2^{66004115232760} is an apocalyptic number.

It is an amenable number.

66004115232760 is an abundant number, since it is smaller than the sum of its proper divisors (82557381109880).

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

66004115232760 is a wasteful number, since it uses less digits than its factorization.

66004115232760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580411887 (or 580411883 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 66004115232760 in words is "sixty-six trillion, four billion, one hundred fifteen million, two hundred thirty-two thousand, seven hundred sixty".