162747889673 has 2 divisors, whose sum is σ = 162747889674. Its totient is φ = 162747889672.

The previous prime is 162747889639. The next prime is 162747889691. The reversal of 162747889673 is 376988747261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145548354064 + 17199535609 = 381508^2 + 131147^2 .

It is a cyclic number.

It is not a de Polignac number, because 162747889673 - 2¹⁰ = 162747888649 is a prime.

It is not a weakly prime, because it can be changed into another prime (162747889273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81373944836 + 81373944837.

It is an arithmetic number, because the mean of its divisors is an integer number (81373944837).

Almost surely, 2^162747889673 is an apocalyptic number.

It is an amenable number.

162747889673 is a deficient number, since it is larger than the sum of its proper divisors (1).

162747889673 is an equidigital number, since it uses as much as digits as its factorization.

162747889673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 68.

The spelling of 162747889673 in words is "one hundred sixty-two billion, seven hundred forty-seven million, eight hundred eighty-nine thousand, six hundred seventy-three".