6689304604160 has 80 divisors (see below), whose sum is σ = 16040302524576. Its totient is φ = 2675446652928.

The previous prime is 6689304604069. The next prime is 6689304604187. The reversal of 6689304604160 is 614064039866.

It is a happy number.

It is a Cunningham number, because it is equal to 2586369²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25734362 + ... + 25992998.

Almost surely, 2^{6689304604160} is an apocalyptic number.

It is an amenable number.

6689304604160 is an abundant number, since it is smaller than the sum of its proper divisors (9350997920416).

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

6689304604160 is a wasteful number, since it uses less digits than its factorization.

6689304604160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268763 (or 268747 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 6689304604160 in words is "six trillion, six hundred eighty-nine billion, three hundred four million, six hundred four thousand, one hundred sixty".