157306916 has 24 divisors (see below), whose sum is σ = 313903800. Its totient is φ = 68332032.

The previous prime is 157306901. The next prime is 157306939. The reversal of 157306916 is 619603751.

It can be written as a sum of positive squares in 4 ways, for example, as 30294016 + 127012900 = 5504^2 + 11270^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157306916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88091 + ... + 89858.

It is an arithmetic number, because the mean of its divisors is an integer number (13079325).

Almost surely, 2^157306916 is an apocalyptic number.

It is an amenable number.

157306916 is a deficient number, since it is larger than the sum of its proper divisors (156596884).

157306916 is a wasteful number, since it uses less digits than its factorization.

157306916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177983 (or 177981 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 157306916 is about 12542.2053882082. The cubic root of 157306916 is about 539.8203746411.

The spelling of 157306916 in words is "one hundred fifty-seven million, three hundred six thousand, nine hundred sixteen".