162489113 has 2 divisors, whose sum is σ = 162489114. Its totient is φ = 162489112.

The previous prime is 162489091. The next prime is 162489139. The reversal of 162489113 is 311984261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156550144 + 5938969 = 12512^2 + 2437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162489113 is a prime.

It is not a weakly prime, because it can be changed into another prime (162489143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81244556 + 81244557.

It is an arithmetic number, because the mean of its divisors is an integer number (81244557).

Almost surely, 2^162489113 is an apocalyptic number.

It is an amenable number.

162489113 is a deficient number, since it is larger than the sum of its proper divisors (1).

162489113 is an equidigital number, since it uses as much as digits as its factorization.

162489113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 162489113 is about 12747.1217535568. The cubic root of 162489113 is about 545.6842545975.

The spelling of 162489113 in words is "one hundred sixty-two million, four hundred eighty-nine thousand, one hundred thirteen".