3688544857968 has 60 divisors (see below), whose sum is σ = 10562867818360. Its totient is φ = 1200921579648.

The previous prime is 3688544857897. The next prime is 3688544857999. The reversal of 3688544857968 is 8697584458863.

3688544857968 is a `hidden beast` number, since 3 + 6 + 8 + 8 + 5 + 4 + 485 + 79 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297841423 + ... + 297853806.

Almost surely, 2^{3688544857968} is an apocalyptic number.

It is an amenable number.

3688544857968 is an abundant number, since it is smaller than the sum of its proper divisors (6874322960392).

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

3688544857968 is a wasteful number, since it uses less digits than its factorization.

3688544857968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595695286 (or 595695277 counting only the distinct ones).

The product of its digits is 11147673600, while the sum is 81.

The spelling of 3688544857968 in words is "three trillion, six hundred eighty-eight billion, five hundred forty-four million, eight hundred fifty-seven thousand, nine hundred sixty-eight".