6556011662776 has 16 divisors (see below), whose sum is σ = 12293525277000. Its totient is φ = 3277738255584.

The previous prime is 6556011662663. The next prime is 6556011662821. The reversal of 6556011662776 is 6772661106556.

It is a self number, because there is not a number n which added to its sum of digits gives 6556011662776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33342826 + ... + 33538873.

Almost surely, 2^{6556011662776} is an apocalyptic number.

It is an amenable number.

6556011662776 is a deficient number, since it is larger than the sum of its proper divisors (5737513614224).

6556011662776 is a wasteful number, since it uses less digits than its factorization.

6556011662776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66893958 (or 66893954 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 6556011662776 in words is "six trillion, five hundred fifty-six billion, eleven million, six hundred sixty-two thousand, seven hundred seventy-six".