157163715 has 24 divisors (see below), whose sum is σ = 284263200. Its totient is φ = 80175744.

The previous prime is 157163689. The next prime is 157163717. The reversal of 157163715 is 517361751.

157163715 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 637 + 15 = 666.

It is not a de Polignac number, because 157163715 - 2⁹ = 157163203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157163715.

It is not an unprimeable number, because it can be changed into a prime (157163717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74890 + ... + 76959.

It is an arithmetic number, because the mean of its divisors is an integer number (11844300).

Almost surely, 2^157163715 is an apocalyptic number.

157163715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157163715 is a deficient number, since it is larger than the sum of its proper divisors (127099485).

157163715 is a wasteful number, since it uses less digits than its factorization.

157163715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151883 (or 151880 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 157163715 is about 12536.4953236541. The cubic root of 157163715 is about 539.6565202510.

The spelling of 157163715 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, seven hundred fifteen".