157122616 has 24 divisors (see below), whose sum is σ = 342704520. Its totient is φ = 67338096.

The previous prime is 157122607. The next prime is 157122643. The reversal of 157122616 is 616221751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200020 + ... + 200803.

It is an arithmetic number, because the mean of its divisors is an integer number (14279355).

Almost surely, 2^157122616 is an apocalyptic number.

It is an amenable number.

157122616 is an abundant number, since it is smaller than the sum of its proper divisors (185581904).

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

157122616 is a wasteful number, since it uses less digits than its factorization.

157122616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400843 (or 400832 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 157122616 is about 12534.8560422527. The cubic root of 157122616 is about 539.6094753019.

The spelling of 157122616 in words is "one hundred fifty-seven million, one hundred twenty-two thousand, six hundred sixteen".