6688800329652 has 72 divisors (see below), whose sum is σ = 19391966997312. Its totient is φ = 1904284771200.

The previous prime is 6688800329621. The next prime is 6688800329713. The reversal of 6688800329652 is 2569230088866.

It is a super-2 number, since 2×6688800329652² (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 a self number, because there is not a number n which added to its sum of digits gives 6688800329652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47158474 + ... + 47300097.

Almost surely, 2^{6688800329652} is an apocalyptic number.

It is an amenable number.

6688800329652 is an abundant number, since it is smaller than the sum of its proper divisors (12703166667660).

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

6688800329652 is a wasteful number, since it uses less digits than its factorization.

6688800329652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94458869 (or 94458864 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 6688800329652 in words is "six trillion, six hundred eighty-eight billion, eight hundred million, three hundred twenty-nine thousand, six hundred fifty-two".