3715522859664 has 180 divisors, whose sum is σ = 13195621118160. Its totient is φ = 965070852480.

The previous prime is 3715522859641. The next prime is 3715522859681. The reversal of 3715522859664 is 4669582255173.

3715522859664 is a `hidden beast` number, since 3 + 7 + 1 + 552 + 28 + 59 + 6 + 6 + 4 = 666.

It is a super-2 number, since 2×3715522859664² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23857674 + ... + 24012905.

It is an arithmetic number, because the mean of its divisors is an integer number (73309006212).

Almost surely, 2^{3715522859664} is an apocalyptic number.

It is an amenable number.

3715522859664 is an abundant number, since it is smaller than the sum of its proper divisors (9480098258496).

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

3715522859664 is a wasteful number, since it uses less digits than its factorization.

3715522859664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47870618 (or 47870602 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 3715522859664 in words is "three trillion, seven hundred fifteen billion, five hundred twenty-two million, eight hundred fifty-nine thousand, six hundred sixty-four".