157146316317 has 6 divisors (see below), whose sum is σ = 226989123582. Its totient is φ = 104764210872.

The previous prime is 157146316309. The next prime is 157146316357. The reversal of 157146316317 is 713613641751.

157146316317 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 4 + 6 + 3 + 1 + 631 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98589092121 + 58557224196 = 313989^2 + 241986^2 .

It is not a de Polignac number, because 157146316317 - 2³ = 157146316309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157146316357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8730350898 + ... + 8730350915.

It is an arithmetic number, because the mean of its divisors is an integer number (37831520597).

Almost surely, 2^157146316317 is an apocalyptic number.

It is an amenable number.

157146316317 is a deficient number, since it is larger than the sum of its proper divisors (69842807265).

157146316317 is a wasteful number, since it uses less digits than its factorization.

157146316317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460701819 (or 17460701816 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 157146316317 in words is "one hundred fifty-seven billion, one hundred forty-six million, three hundred sixteen thousand, three hundred seventeen".