162086257 has 2 divisors, whose sum is σ = 162086258. Its totient is φ = 162086256.

The previous prime is 162086213. The next prime is 162086293. The reversal of 162086257 is 752680261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125978176 + 36108081 = 11224^2 + 6009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162086257 is a prime.

It is not a weakly prime, because it can be changed into another prime (162086297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81043128 + 81043129.

It is an arithmetic number, because the mean of its divisors is an integer number (81043129).

Almost surely, 2^162086257 is an apocalyptic number.

It is an amenable number.

162086257 is a deficient number, since it is larger than the sum of its proper divisors (1).

162086257 is an equidigital number, since it uses as much as digits as its factorization.

162086257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 162086257 is about 12731.3101054055. The cubic root of 162086257 is about 545.2329133808.

The spelling of 162086257 in words is "one hundred sixty-two million, eighty-six thousand, two hundred fifty-seven".