157320616 has 8 divisors (see below), whose sum is σ = 294976170. Its totient is φ = 78660304.

The previous prime is 157320613. The next prime is 157320637. The reversal of 157320616 is 616023751.

157320616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 126562500 + 30758116 = 11250^2 + 5546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (157320613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9832531 + ... + 9832546.

Almost surely, 2^157320616 is an apocalyptic number.

It is an amenable number.

157320616 is a deficient number, since it is larger than the sum of its proper divisors (137655554).

157320616 is a wasteful number, since it uses less digits than its factorization.

157320616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19665083 (or 19665079 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 157320616 is about 12542.7515322596. The cubic root of 157320616 is about 539.8360453326.

The spelling of 157320616 in words is "one hundred fifty-seven million, three hundred twenty thousand, six hundred sixteen".