668409007107 has 8 divisors (see below), whose sum is σ = 901225627920. Its totient is φ = 440599195520.

The previous prime is 668409007093. The next prime is 668409007129. The reversal of 668409007107 is 701700904866.

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 668409007107 - 2⁶ = 668409007043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (668409007207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251701994 + ... + 1251702527.

It is an arithmetic number, because the mean of its divisors is an integer number (112653203490).

Almost surely, 2^668409007107 is an apocalyptic number.

668409007107 is a deficient number, since it is larger than the sum of its proper divisors (232816620813).

668409007107 is a wasteful number, since it uses less digits than its factorization.

668409007107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503404613.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 668409007107 in words is "six hundred sixty-eight billion, four hundred nine million, seven thousand, one hundred seven".