6532907513664 has 84 divisors (see below), whose sum is σ = 20107022771904. Its totient is φ = 1866545001216.

The previous prime is 6532907513651. The next prime is 6532907513683. The reversal of 6532907513664 is 4663157092356.

It is a tau number, because it is divible by the number of its divisors (84).

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, 347190184 + ... + 347208999.

Almost surely, 2^{6532907513664} is an apocalyptic number.

6532907513664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6532907513664 is an abundant number, since it is smaller than the sum of its proper divisors (13574115258240).

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

6532907513664 is a wasteful number, since it uses less digits than its factorization.

6532907513664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694399212 (or 694399195 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 6532907513664 in words is "six trillion, five hundred thirty-two billion, nine hundred seven million, five hundred thirteen thousand, six hundred sixty-four".