162642127 has 2 divisors, whose sum is σ = 162642128. Its totient is φ = 162642126.

The previous prime is 162642113. The next prime is 162642149. The reversal of 162642127 is 721246261.

It is a weak prime.

It is an emirp because it is prime and its reverse (721246261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162642127 is a prime.

It is a super-2 number, since 2×162642127² = 52904922950168258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162642197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81321063 + 81321064.

It is an arithmetic number, because the mean of its divisors is an integer number (81321064).

Almost surely, 2^162642127 is an apocalyptic number.

162642127 is a deficient number, since it is larger than the sum of its proper divisors (1).

162642127 is an equidigital number, since it uses as much as digits as its factorization.

162642127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 162642127 is about 12753.1222451602. The cubic root of 162642127 is about 545.8554889103.

Adding to 162642127 its reverse (721246261), we get a palindrome (883888388).

The spelling of 162642127 in words is "one hundred sixty-two million, six hundred forty-two thousand, one hundred twenty-seven".