157916634 has 16 divisors (see below), whose sum is σ = 315967872. Its totient is φ = 52616448.

The previous prime is 157916623. The next prime is 157916639. The reversal of 157916634 is 436619751.

It is not an unprimeable number, because it can be changed into a prime (157916639) 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, 16122 + ... + 23994.

It is an arithmetic number, because the mean of its divisors is an integer number (19747992).

Almost surely, 2^157916634 is an apocalyptic number.

157916634 is an abundant number, since it is smaller than the sum of its proper divisors (158051238).

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

157916634 is a wasteful number, since it uses less digits than its factorization.

157916634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221.

The product of its digits is 136080, while the sum is 42.

The square root of 157916634 is about 12566.4885310098. The cubic root of 157916634 is about 540.5169192831.

The spelling of 157916634 in words is "one hundred fifty-seven million, nine hundred sixteen thousand, six hundred thirty-four".