668032608115 has 8 divisors (see below), whose sum is σ = 836493005088. Its totient is φ = 511190169600.

The previous prime is 668032608079. The next prime is 668032608137. The reversal of 668032608115 is 511806230866.

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

It is not a de Polignac number, because 668032608115 - 2²⁹ = 667495737203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904489486 + ... + 2904489715.

It is an arithmetic number, because the mean of its divisors is an integer number (104561625636).

Almost surely, 2^668032608115 is an apocalyptic number.

668032608115 is a deficient number, since it is larger than the sum of its proper divisors (168460396973).

668032608115 is a wasteful number, since it uses less digits than its factorization.

668032608115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808979229.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 668032608115 in words is "six hundred sixty-eight billion, thirty-two million, six hundred eight thousand, one hundred fifteen".