6666875602956 has 48 divisors (see below), whose sum is σ = 17288800552800. Its totient is φ = 2221737950016.

The previous prime is 6666875602873. The next prime is 6666875602957. The reversal of 6666875602956 is 6592065786666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6666875602957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7257891 + ... + 8124698.

It is an arithmetic number, because the mean of its divisors is an integer number (360183344850).

Almost surely, 2^{6666875602956} is an apocalyptic number.

It is an amenable number.

6666875602956 is an abundant number, since it is smaller than the sum of its proper divisors (10621924949844).

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

6666875602956 is a wasteful number, since it uses less digits than its factorization.

6666875602956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15386615 (or 15386607 counting only the distinct ones).

The product of its (nonzero) digits is 1175731200, while the sum is 72.

The spelling of 6666875602956 in words is "six trillion, six hundred sixty-six billion, eight hundred seventy-five million, six hundred two thousand, nine hundred fifty-six".