668051431314 has 16 divisors (see below), whose sum is σ = 1367175022752. Its totient is φ = 217505117088.

The previous prime is 668051431303. The next prime is 668051431501. The reversal of 668051431314 is 413134150866.

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, 1294673059 + ... + 1294673574.

It is an arithmetic number, because the mean of its divisors is an integer number (85448438922).

Almost surely, 2^668051431314 is an apocalyptic number.

668051431314 is an abundant number, since it is smaller than the sum of its proper divisors (699123591438).

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

668051431314 is a wasteful number, since it uses less digits than its factorization.

668051431314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589346681.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 668051431314 in words is "six hundred sixty-eight billion, fifty-one million, four hundred thirty-one thousand, three hundred fourteen".