157831416 has 144 divisors (see below), whose sum is σ = 462920640. Its totient is φ = 50388480.

The previous prime is 157831397. The next prime is 157831439. The reversal of 157831416 is 614138751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1627080 + ... + 1627176.

Almost surely, 2^157831416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157831416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231460320).

157831416 is an abundant number, since it is smaller than the sum of its proper divisors (305089224).

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

157831416 is an frugal number, since it uses more digits than its factorization.

157831416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 133 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 157831416 is about 12563.0973887812. The cubic root of 157831416 is about 540.4196737561.

The spelling of 157831416 in words is "one hundred fifty-seven million, eight hundred thirty-one thousand, four hundred sixteen".