165782522896 has 45 divisors (see below), whose sum is σ = 324001374781. Its totient is φ = 82175467136.

The previous prime is 165782522891. The next prime is 165782522903. The reversal of 165782522896 is 698225287561.

The square root of 165782522896 is 407164.

It is a perfect power (a square), and thus also a powerful number.

165782522896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 97381443600 + 68401079296 = 312060^2 + 261536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165782522891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 223125501 + ... + 223126243.

Almost surely, 2^165782522896 is an apocalyptic number.

165782522896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

165782522896 is the 407164-th square number.

It is an amenable number.

165782522896 is a deficient number, since it is larger than the sum of its proper divisors (158218851885).

165782522896 is an frugal number, since it uses more digits than its factorization.

165782522896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 882 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The spelling of 165782522896 in words is "one hundred sixty-five billion, seven hundred eighty-two million, five hundred twenty-two thousand, eight hundred ninety-six".