157885164117 has 80 divisors (see below), whose sum is σ = 243227888640. Its totient is φ = 102015078048.

The previous prime is 157885164109. The next prime is 157885164127. The reversal of 157885164117 is 711461588751.

157885164117 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 8 + 516 + 4 + 117 = 666.

It is not a de Polignac number, because 157885164117 - 2³ = 157885164109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157885164127) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 301883418 + ... + 301883940.

It is an arithmetic number, because the mean of its divisors is an integer number (3040348608).

Almost surely, 2^157885164117 is an apocalyptic number.

It is an amenable number.

157885164117 is a deficient number, since it is larger than the sum of its proper divisors (85342724523).

157885164117 is a wasteful number, since it uses less digits than its factorization.

157885164117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1195 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 54.

The spelling of 157885164117 in words is "one hundred fifty-seven billion, eight hundred eighty-five million, one hundred sixty-four thousand, one hundred seventeen".