162086971 has 2 divisors, whose sum is σ = 162086972. Its totient is φ = 162086970.

The previous prime is 162086963. The next prime is 162086989. The reversal of 162086971 is 179680261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162086971 - 2³ = 162086963 is a prime.

It is not a weakly prime, because it can be changed into another prime (162086471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81043485 + 81043486.

It is an arithmetic number, because the mean of its divisors is an integer number (81043486).

Almost surely, 2^162086971 is an apocalyptic number.

162086971 is a deficient number, since it is larger than the sum of its proper divisors (1).

162086971 is an equidigital number, since it uses as much as digits as its factorization.

162086971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 162086971 is about 12731.3381464793. The cubic root of 162086971 is about 545.2337139746.

The spelling of 162086971 in words is "one hundred sixty-two million, eighty-six thousand, nine hundred seventy-one".