6669602086956 has 48 divisors (see below), whose sum is σ = 15571743018720. Its totient is φ = 2221867031040.

The previous prime is 6669602086949. The next prime is 6669602086963. The reversal of 6669602086956 is 6596802069666.

It is an interprime number because it is at equal distance from previous prime (6669602086949) and next prime (6669602086963).

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

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, 186926190 + ... + 186961866.

It is an arithmetic number, because the mean of its divisors is an integer number (324411312890).

Almost surely, 2^{6669602086956} is an apocalyptic number.

It is an amenable number.

6669602086956 is an abundant number, since it is smaller than the sum of its proper divisors (8902140931764).

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

6669602086956 is a wasteful number, since it uses less digits than its factorization.

6669602086956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44594 (or 44592 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 69.

The spelling of 6669602086956 in words is "six trillion, six hundred sixty-nine billion, six hundred two million, eighty-six thousand, nine hundred fifty-six".