668580508314 has 24 divisors (see below), whose sum is σ = 1524832739040. Its totient is φ = 211130686728.

The previous prime is 668580508307. The next prime is 668580508367. The reversal of 668580508314 is 413805085866.

668580508314 is a `hidden beast` number, since 6 + 6 + 8 + 580 + 50 + 8 + 3 + 1 + 4 = 666.

It is a super-3 number, since 3×668580508314³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977456542 + ... + 977457225.

It is an arithmetic number, because the mean of its divisors is an integer number (63534697460).

Almost surely, 2^668580508314 is an apocalyptic number.

668580508314 is an abundant number, since it is smaller than the sum of its proper divisors (856252230726).

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

668580508314 is a wasteful number, since it uses less digits than its factorization.

668580508314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954913794 (or 1954913791 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 668580508314 in words is "six hundred sixty-eight billion, five hundred eighty million, five hundred eight thousand, three hundred fourteen".