6700664814 has 32 divisors (see below), whose sum is σ = 13681872000. Its totient is φ = 2186968992.

The previous prime is 6700664807. The next prime is 6700664827. The reversal of 6700664814 is 4184660076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137569 + ... + 179795.

It is an arithmetic number, because the mean of its divisors is an integer number (427558500).

Almost surely, 2^6700664814 is an apocalyptic number.

6700664814 is an abundant number, since it is smaller than the sum of its proper divisors (6981207186).

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

6700664814 is a wasteful number, since it uses less digits than its factorization.

6700664814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42784.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 6700664814 is about 81857.5886158394. The cubic root of 6700664814 is about 1885.2659826785.

The spelling of 6700664814 in words is "six billion, seven hundred million, six hundred sixty-four thousand, eight hundred fourteen".