6685956512 has 24 divisors (see below), whose sum is σ = 13855766400. Its totient is φ = 3167031744.

The previous prime is 6685956481. The next prime is 6685956577. The reversal of 6685956512 is 2156595866.

It is a super-2 number, since 2×6685956512² = 89404028960710412288, 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, 5497712 + ... + 5498927.

It is an arithmetic number, because the mean of its divisors is an integer number (577323600).

Almost surely, 2^6685956512 is an apocalyptic number.

It is an amenable number.

6685956512 is an abundant number, since it is smaller than the sum of its proper divisors (7169809888).

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

6685956512 is a wasteful number, since it uses less digits than its factorization.

6685956512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996668 (or 10996660 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 53.

The square root of 6685956512 is about 81767.6984633908. The cubic root of 6685956512 is about 1883.8855537273.

The spelling of 6685956512 in words is "six billion, six hundred eighty-five million, nine hundred fifty-six thousand, five hundred twelve".