157816332 has 36 divisors (see below), whose sum is σ = 399520576. Its totient is φ = 52526880.

The previous prime is 157816303. The next prime is 157816343. The reversal of 157816332 is 233618751.

157816332 is a `hidden beast` number, since 15 + 7 + 8 + 1 + 633 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24357 + ... + 30147.

Almost surely, 2^157816332 is an apocalyptic number.

157816332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157816332 is an abundant number, since it is smaller than the sum of its proper divisors (241704244).

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

157816332 is a wasteful number, since it uses less digits than its factorization.

157816332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558 (or 6553 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 157816332 is about 12562.4970447758. The cubic root of 157816332 is about 540.4024571794.

The spelling of 157816332 in words is "one hundred fifty-seven million, eight hundred sixteen thousand, three hundred thirty-two".