668472160592 has 20 divisors (see below), whose sum is σ = 1296163436436. Its totient is φ = 333978370560.

The previous prime is 668472160591. The next prime is 668472160597. The reversal of 668472160592 is 295061274866.

It can be written as a sum of positive squares in 2 ways, for example, as 620937696016 + 47534464576 = 787996^2 + 218024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668472160591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16085459 + ... + 16126962.

Almost surely, 2^668472160592 is an apocalyptic number.

It is an amenable number.

668472160592 is a deficient number, since it is larger than the sum of its proper divisors (627691275844).

668472160592 is a wasteful number, since it uses less digits than its factorization.

668472160592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32213726 (or 32213720 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 668472160592 in words is "six hundred sixty-eight billion, four hundred seventy-two million, one hundred sixty thousand, five hundred ninety-two".