6687385332 has 24 divisors (see below), whose sum is σ = 16282330176. Its totient is φ = 2132209728.

The previous prime is 6687385321. The next prime is 6687385339. The reversal of 6687385332 is 2335837866.

It is a super-2 number, since 2×6687385332² = 89442245157297500448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6687385339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12114553 + ... + 12115104.

It is an arithmetic number, because the mean of its divisors is an integer number (678430424).

Almost surely, 2^6687385332 is an apocalyptic number.

It is an amenable number.

6687385332 is an abundant number, since it is smaller than the sum of its proper divisors (9594944844).

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

6687385332 is a wasteful number, since it uses less digits than its factorization.

6687385332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229687 (or 24229685 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 6687385332 is about 81776.4350653659. The cubic root of 6687385332 is about 1884.0197425368.

The spelling of 6687385332 in words is "six billion, six hundred eighty-seven million, three hundred eighty-five thousand, three hundred thirty-two".