162642113 has 2 divisors, whose sum is σ = 162642114. Its totient is φ = 162642112.

The previous prime is 162642097. The next prime is 162642127. The reversal of 162642113 is 311246261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162384049 + 258064 = 12743^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 162642113 - 2⁴ = 162642097 is a prime.

It is a super-2 number, since 2×162642113² = 52904913842209538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162642163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81321056 + 81321057.

It is an arithmetic number, because the mean of its divisors is an integer number (81321057).

Almost surely, 2^162642113 is an apocalyptic number.

It is an amenable number.

162642113 is a deficient number, since it is larger than the sum of its proper divisors (1).

162642113 is an equidigital number, since it uses as much as digits as its factorization.

162642113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 162642113 is about 12753.1216962750. The cubic root of 162642113 is about 545.8554732481.

Adding to 162642113 its reverse (311246261), we get a palindrome (473888374).

The spelling of 162642113 in words is "one hundred sixty-two million, six hundred forty-two thousand, one hundred thirteen".