6556011662777 has 8 divisors (see below), whose sum is σ = 6561906619392. Its totient is φ = 6550117054000.

The previous prime is 6556011662663. The next prime is 6556011662821. The reversal of 6556011662777 is 7772661106556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6556011662777 - 2²⁸ = 6555743227321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556011664777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50990702 + ... + 51119112.

It is an arithmetic number, because the mean of its divisors is an integer number (820238327424).

Almost surely, 2^{6556011662777} is an apocalyptic number.

It is an amenable number.

6556011662777 is a deficient number, since it is larger than the sum of its proper divisors (5894956615).

6556011662777 is a wasteful number, since it uses less digits than its factorization.

6556011662777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173919.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 6556011662777 in words is "six trillion, five hundred fifty-six billion, eleven million, six hundred sixty-two thousand, seven hundred seventy-seven".