157816728316 has 12 divisors (see below), whose sum is σ = 297423834232. Its totient is φ = 72838489968.

The previous prime is 157816728313. The next prime is 157816728317. The reversal of 157816728316 is 613827618751.

It is a super-2 number, since 2×157816728316² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157816728313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517468490 + ... + 1517468593.

Almost surely, 2^157816728316 is an apocalyptic number.

It is an amenable number.

157816728316 is a deficient number, since it is larger than the sum of its proper divisors (139607105916).

157816728316 is a wasteful number, since it uses less digits than its factorization.

157816728316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034937100 (or 3034937098 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 157816728316 in words is "one hundred fifty-seven billion, eight hundred sixteen million, seven hundred twenty-eight thousand, three hundred sixteen".