162690613 has 2 divisors, whose sum is σ = 162690614. Its totient is φ = 162690612.

The previous prime is 162690589. The next prime is 162690617. The reversal of 162690613 is 316096261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157929489 + 4761124 = 12567^2 + 2182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162690613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162690617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81345306 + 81345307.

It is an arithmetic number, because the mean of its divisors is an integer number (81345307).

Almost surely, 2^162690613 is an apocalyptic number.

It is an amenable number.

162690613 is a deficient number, since it is larger than the sum of its proper divisors (1).

162690613 is an equidigital number, since it uses as much as digits as its factorization.

162690613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 162690613 is about 12755.0230497636. The cubic root of 162690613 is about 545.9097260261.

The spelling of 162690613 in words is "one hundred sixty-two million, six hundred ninety thousand, six hundred thirteen".