457857865720168 has 16 divisors (see below), whose sum is σ = 858626317064160. Its totient is φ = 228890847836400.

The previous prime is 457857865720063. The next prime is 457857865720169. The reversal of 457857865720168 is 861027568758754.

It is a super-2 number, since 2×457857865720168² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457857865720169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760576868 + ... + 4760673043.

It is an arithmetic number, because the mean of its divisors is an integer number (53664144816510).

Almost surely, 2^{457857865720168} is an apocalyptic number.

It is an amenable number.

457857865720168 is a deficient number, since it is larger than the sum of its proper divisors (400768451343992).

457857865720168 is a wasteful number, since it uses less digits than its factorization.

457857865720168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521255928 (or 9521255924 counting only the distinct ones).

The product of its (nonzero) digits is 6322176000, while the sum is 79.

The spelling of 457857865720168 in words is "four hundred fifty-seven trillion, eight hundred fifty-seven billion, eight hundred sixty-five million, seven hundred twenty thousand, one hundred sixty-eight".