668328014842 has 8 divisors (see below), whose sum is σ = 1003146822432. Its totient is φ = 333945740700.

The previous prime is 668328014807. The next prime is 668328014857. The reversal of 668328014842 is 248410823866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 668328014842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109129534 + ... + 109135657.

It is an arithmetic number, because the mean of its divisors is an integer number (125393352804).

Almost surely, 2^668328014842 is an apocalyptic number.

668328014842 is a deficient number, since it is larger than the sum of its proper divisors (334818807590).

668328014842 is a wasteful number, since it uses less digits than its factorization.

668328014842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218266724.

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 668328014842 in words is "six hundred sixty-eight billion, three hundred twenty-eight million, fourteen thousand, eight hundred forty-two".