162601157 has 2 divisors, whose sum is σ = 162601158. Its totient is φ = 162601156.

The previous prime is 162601123. The next prime is 162601163. The reversal of 162601157 is 751106261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 80263681 = 9074^2 + 8959^2 .

It is an emirp because it is prime and its reverse (751106261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162601157 - 2⁶ = 162601093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162601357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81300578 + 81300579.

It is an arithmetic number, because the mean of its divisors is an integer number (81300579).

Almost surely, 2^162601157 is an apocalyptic number.

It is an amenable number.

162601157 is a deficient number, since it is larger than the sum of its proper divisors (1).

162601157 is an equidigital number, since it uses as much as digits as its factorization.

162601157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 162601157 is about 12751.5158706720. The cubic root of 162601157 is about 545.8096508938.

The spelling of 162601157 in words is "one hundred sixty-two million, six hundred one thousand, one hundred fifty-seven".