6626662666011 has 8 divisors (see below), whose sum is σ = 9817278023760. Its totient is φ = 4417775110656.

The previous prime is 6626662665979. The next prime is 6626662666031. The reversal of 6626662666011 is 1106662666266.

It is not a de Polignac number, because 6626662666011 - 2⁵ = 6626662665979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6626662666031) 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, 122715975270 + ... + 122715975323.

It is an arithmetic number, because the mean of its divisors is an integer number (1227159752970).

Almost surely, 2^{6626662666011} is an apocalyptic number.

6626662666011 is a deficient number, since it is larger than the sum of its proper divisors (3190615357749).

6626662666011 is a wasteful number, since it uses less digits than its factorization.

6626662666011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245431950602 (or 245431950596 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 6626662666011 in words is "six trillion, six hundred twenty-six billion, six hundred sixty-two million, six hundred sixty-six thousand, eleven".