157164040456 has 16 divisors (see below), whose sum is σ = 297436620240. Its totient is φ = 77847608400.

The previous prime is 157164040447. The next prime is 157164040493. The reversal of 157164040456 is 654040461751.

It is a super-2 number, since 2×157164040456² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 91800570 + ... + 91802281.

It is an arithmetic number, because the mean of its divisors is an integer number (18589788765).

Almost surely, 2^157164040456 is an apocalyptic number.

It is an amenable number.

157164040456 is a deficient number, since it is larger than the sum of its proper divisors (140272579784).

157164040456 is a wasteful number, since it uses less digits than its factorization.

157164040456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183602964 (or 183602960 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 157164040456 in words is "one hundred fifty-seven billion, one hundred sixty-four million, forty thousand, four hundred fifty-six".