666600057006 has 32 divisors (see below), whose sum is σ = 1435819422240. Its totient is φ = 205098359424.

The previous prime is 666600056981. The next prime is 666600057017. The reversal of 666600057006 is 600750006666.

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, 1636840 + ... + 2003108.

It is an arithmetic number, because the mean of its divisors is an integer number (44869356945).

Almost surely, 2^666600057006 is an apocalyptic number.

666600057006 is an abundant number, since it is smaller than the sum of its proper divisors (769219365234).

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

666600057006 is a wasteful number, since it uses less digits than its factorization.

666600057006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389620.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 666600057006 in words is "six hundred sixty-six billion, six hundred million, fifty-seven thousand, six".