162279959 has 2 divisors, whose sum is σ = 162279960. Its totient is φ = 162279958.

The previous prime is 162279863. The next prime is 162279961. The reversal of 162279959 is 959972261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162279959 is a prime.

Together with 162279961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162279989) 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, 81139979 + 81139980.

It is an arithmetic number, because the mean of its divisors is an integer number (81139980).

Almost surely, 2^162279959 is an apocalyptic number.

162279959 is a deficient number, since it is larger than the sum of its proper divisors (1).

162279959 is an equidigital number, since it uses as much as digits as its factorization.

162279959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The square root of 162279959 is about 12738.9151421932. The cubic root of 162279959 is about 545.4500213674.

The spelling of 162279959 in words is "one hundred sixty-two million, two hundred seventy-nine thousand, nine hundred fifty-nine".