157312016 has 20 divisors (see below), whose sum is σ = 322721532. Its totient is φ = 74029056.

The previous prime is 157312009. The next prime is 157312021. The reversal of 157312016 is 610213751.

It can be written as a sum of positive squares in 2 ways, for example, as 70896400 + 86415616 = 8420^2 + 9296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288905 + ... + 289448.

Almost surely, 2^157312016 is an apocalyptic number.

157312016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157312016 is an abundant number, since it is smaller than the sum of its proper divisors (165409516).

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

157312016 is a wasteful number, since it uses less digits than its factorization.

157312016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578378 (or 578372 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 157312016 is about 12542.4087000863. The cubic root of 157312016 is about 539.8262083625.

Adding to 157312016 its reverse (610213751), we get a palindrome (767525767).

The spelling of 157312016 in words is "one hundred fifty-seven million, three hundred twelve thousand, sixteen".