6686800940 has 12 divisors (see below), whose sum is σ = 14042282016. Its totient is φ = 2674720368.

The previous prime is 6686800919. The next prime is 6686800993. The reversal of 6686800940 is 490086866.

It is a super-2 number, since 2×6686800940² = 89426613622369767200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167170004 + ... + 167170043.

It is an arithmetic number, because the mean of its divisors is an integer number (1170190168).

Almost surely, 2^6686800940 is an apocalyptic number.

It is an amenable number.

6686800940 is an abundant number, since it is smaller than the sum of its proper divisors (7355481076).

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

6686800940 is a wasteful number, since it uses less digits than its factorization.

6686800940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334340056 (or 334340054 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 6686800940 is about 81772.8618797214. The cubic root of 6686800940 is about 1883.9648611901.

The spelling of 6686800940 in words is "six billion, six hundred eighty-six million, eight hundred thousand, nine hundred forty".