157162638 has 16 divisors (see below), whose sum is σ = 315907200. Its totient is φ = 52123896.

The previous prime is 157162633. The next prime is 157162639. The reversal of 157162638 is 836261751.

157162638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157162596 and 157162605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157162633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64620 + ... + 67007.

It is an arithmetic number, because the mean of its divisors is an integer number (19744200).

Almost surely, 2^157162638 is an apocalyptic number.

157162638 is an abundant number, since it is smaller than the sum of its proper divisors (158744562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157162638 is a wasteful number, since it uses less digits than its factorization.

157162638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131831.

The product of its digits is 60480, while the sum is 39.

The square root of 157162638 is about 12536.4523689918. The cubic root of 157162638 is about 539.6552875420.

The spelling of 157162638 in words is "one hundred fifty-seven million, one hundred sixty-two thousand, six hundred thirty-eight".