162895861 has 2 divisors, whose sum is σ = 162895862. Its totient is φ = 162895860.

The previous prime is 162895847. The next prime is 162895903. The reversal of 162895861 is 168598261.

It is the 5211-st star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151437636 + 11458225 = 12306^2 + 3385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162895861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162805861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81447930 + 81447931.

It is an arithmetic number, because the mean of its divisors is an integer number (81447931).

Almost surely, 2^162895861 is an apocalyptic number.

It is an amenable number.

162895861 is a deficient number, since it is larger than the sum of its proper divisors (1).

162895861 is an equidigital number, since it uses as much as digits as its factorization.

162895861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 46.

The square root of 162895861 is about 12763.0662851840. The cubic root of 162895861 is about 546.1392000187.

The spelling of 162895861 in words is "one hundred sixty-two million, eight hundred ninety-five thousand, eight hundred sixty-one".