162642230609 has 2 divisors, whose sum is σ = 162642230610. Its totient is φ = 162642230608.

The previous prime is 162642230603. The next prime is 162642230617. The reversal of 162642230609 is 906032246261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141096394384 + 21545836225 = 375628^2 + 146785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162642230609 is a prime.

It is a super-2 number, since 2×162642230609² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162642230603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81321115304 + 81321115305.

It is an arithmetic number, because the mean of its divisors is an integer number (81321115305).

Almost surely, 2^162642230609 is an apocalyptic number.

It is an amenable number.

162642230609 is a deficient number, since it is larger than the sum of its proper divisors (1).

162642230609 is an equidigital number, since it uses as much as digits as its factorization.

162642230609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 162642230609 in words is "one hundred sixty-two billion, six hundred forty-two million, two hundred thirty thousand, six hundred nine".