316172490157 has 2 divisors, whose sum is σ = 316172490158. Its totient is φ = 316172490156.

The previous prime is 316172490103. The next prime is 316172490211. The reversal of 316172490157 is 751094271613.

It is a balanced prime because it is at equal distance from previous prime (316172490103) and next prime (316172490211).

It can be written as a sum of positive squares in only one way, i.e., 225037333161 + 91135156996 = 474381^2 + 301886^2 .

It is a cyclic number.

It is not a de Polignac number, because 316172490157 - 2¹⁵ = 316172457389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316172490457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158086245078 + 158086245079.

It is an arithmetic number, because the mean of its divisors is an integer number (158086245079).

Almost surely, 2^316172490157 is an apocalyptic number.

It is an amenable number.

316172490157 is a deficient number, since it is larger than the sum of its proper divisors (1).

316172490157 is an equidigital number, since it uses as much as digits as its factorization.

316172490157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 316172490157 in words is "three hundred sixteen billion, one hundred seventy-two million, four hundred ninety thousand, one hundred fifty-seven".