162494257613 has 2 divisors, whose sum is σ = 162494257614. Its totient is φ = 162494257612.

The previous prime is 162494257603. The next prime is 162494257661. The reversal of 162494257613 is 316752494261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157988760484 + 4505497129 = 397478^2 + 67123^2 .

It is a cyclic number.

It is not a de Polignac number, because 162494257613 - 2²⁶ = 162427148749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162494257603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81247128806 + 81247128807.

It is an arithmetic number, because the mean of its divisors is an integer number (81247128807).

Almost surely, 2^162494257613 is an apocalyptic number.

It is an amenable number.

162494257613 is a deficient number, since it is larger than the sum of its proper divisors (1).

162494257613 is an equidigital number, since it uses as much as digits as its factorization.

162494257613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 50.

The spelling of 162494257613 in words is "one hundred sixty-two billion, four hundred ninety-four million, two hundred fifty-seven thousand, six hundred thirteen".