152166317 has 2 divisors, whose sum is σ = 152166318. Its totient is φ = 152166316.

The previous prime is 152166271. The next prime is 152166319. The reversal of 152166317 is 713661251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87347716 + 64818601 = 9346^2 + 8051^2 .

It is a cyclic number.

It is not a de Polignac number, because 152166317 - 2⁸ = 152166061 is a prime.

Together with 152166319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152166319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76083158 + 76083159.

It is an arithmetic number, because the mean of its divisors is an integer number (76083159).

Almost surely, 2^152166317 is an apocalyptic number.

It is an amenable number.

152166317 is a deficient number, since it is larger than the sum of its proper divisors (1).

152166317 is an equidigital number, since it uses as much as digits as its factorization.

152166317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 152166317 is about 12335.5712068797. The cubic root of 152166317 is about 533.8749081601.

The spelling of 152166317 in words is "one hundred fifty-two million, one hundred sixty-six thousand, three hundred seventeen".