6656290752990 has 32 divisors (see below), whose sum is σ = 16001678712096. Its totient is φ = 1772057433600.

The previous prime is 6656290752989. The next prime is 6656290753043. The reversal of 6656290752990 is 992570926566.

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, 184571287 + ... + 184607346.

It is an arithmetic number, because the mean of its divisors is an integer number (500052459753).

Almost surely, 2^{6656290752990} is an apocalyptic number.

6656290752990 is an abundant number, since it is smaller than the sum of its proper divisors (9345387959106).

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

6656290752990 is a wasteful number, since it uses less digits than its factorization.

6656290752990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369179244.

The product of its (nonzero) digits is 110224800, while the sum is 66.

The spelling of 6656290752990 in words is "six trillion, six hundred fifty-six billion, two hundred ninety million, seven hundred fifty-two thousand, nine hundred ninety".