6516065565604 has 12 divisors (see below), whose sum is σ = 13032131131264. Its totient is φ = 2792599528104.

The previous prime is 6516065565601. The next prime is 6516065565613. The reversal of 6516065565604 is 4065655606156.

6516065565604 is an admirable number.

It is a super-2 number, since 2×6516065565604² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6516065565601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116358313644 + ... + 116358313699.

Almost surely, 2^{6516065565604} is an apocalyptic number.

It is an amenable number.

6516065565604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6516065565604 is a wasteful number, since it uses less digits than its factorization.

6516065565604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232716627354 (or 232716627352 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 55.

The spelling of 6516065565604 in words is "six trillion, five hundred sixteen billion, sixty-five million, five hundred sixty-five thousand, six hundred four".