668080887334 has 32 divisors (see below), whose sum is σ = 1164471736896. Its totient is φ = 281526174720.

The previous prime is 668080887319. The next prime is 668080887367. The reversal of 668080887334 is 433788080866.

668080887334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 2281314 + ... + 2557450.

It is an arithmetic number, because the mean of its divisors is an integer number (36389741778).

Almost surely, 2^668080887334 is an apocalyptic number.

668080887334 is a deficient number, since it is larger than the sum of its proper divisors (496390849562).

668080887334 is a wasteful number, since it uses less digits than its factorization.

668080887334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279040.

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 668080887334 in words is "six hundred sixty-eight billion, eighty million, eight hundred eighty-seven thousand, three hundred thirty-four".