162273455872 has 72 divisors (see below), whose sum is σ = 358337008512. Its totient is φ = 72721689600.

The previous prime is 162273455867. The next prime is 162273455921. The reversal of 162273455872 is 278554372261.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 205878 + ... + 605749.

It is an arithmetic number, because the mean of its divisors is an integer number (4976902896).

Almost surely, 2^162273455872 is an apocalyptic number.

It is an amenable number.

162273455872 is an abundant number, since it is smaller than the sum of its proper divisors (196063552640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162273455872 is an equidigital number, since it uses as much as digits as its factorization.

162273455872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811725 (or 811711 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 162273455872 in words is "one hundred sixty-two billion, two hundred seventy-three million, four hundred fifty-five thousand, eight hundred seventy-two".