6664102872 has 64 divisors (see below), whose sum is σ = 19046392320. Its totient is φ = 1903419648.

The previous prime is 6664102853. The next prime is 6664102897. The reversal of 6664102872 is 2782014666.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 924948 + ... + 932124.

It is an arithmetic number, because the mean of its divisors is an integer number (297599880).

Almost surely, 2^6664102872 is an apocalyptic number.

It is an amenable number.

6664102872 is an abundant number, since it is smaller than the sum of its proper divisors (12382289448).

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

6664102872 is a wasteful number, since it uses less digits than its factorization.

6664102872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720 (or 12716 counting only the distinct ones).

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

The square root of 6664102872 is about 81633.9566112044. The cubic root of 6664102872 is about 1881.8307645129.

The spelling of 6664102872 in words is "six billion, six hundred sixty-four million, one hundred two thousand, eight hundred seventy-two".