666627924113 has 16 divisors (see below), whose sum is σ = 693960696000. Its totient is φ = 639589981632.

The previous prime is 666627924031. The next prime is 666627924143. The reversal of 666627924113 is 311429726666.

It is a cyclic number.

It is not a de Polignac number, because 666627924113 - 2²⁴ = 666611146897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666627924143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7373006 + ... + 7462872.

It is an arithmetic number, because the mean of its divisors is an integer number (43372543500).

Almost surely, 2^666627924113 is an apocalyptic number.

It is an amenable number.

666627924113 is a deficient number, since it is larger than the sum of its proper divisors (27332771887).

666627924113 is a wasteful number, since it uses less digits than its factorization.

666627924113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91504.

The product of its digits is 3919104, while the sum is 53.

The spelling of 666627924113 in words is "six hundred sixty-six billion, six hundred twenty-seven million, nine hundred twenty-four thousand, one hundred thirteen".