162122553723 has 32 divisors (see below), whose sum is σ = 240874905600. Its totient is φ = 96304957056.

The previous prime is 162122553713. The next prime is 162122553737. The reversal of 162122553723 is 327355221261.

It is not a de Polignac number, because 162122553723 - 2²⁸ = 161854118267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (162122553713) 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 in 31 ways as a sum of consecutive naturals, for example, 5684886 + ... + 5713332.

It is an arithmetic number, because the mean of its divisors is an integer number (7527340800).

Almost surely, 2^162122553723 is an apocalyptic number.

162122553723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162122553723 is a deficient number, since it is larger than the sum of its proper divisors (78752351877).

162122553723 is a wasteful number, since it uses less digits than its factorization.

162122553723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33531.

The product of its digits is 151200, while the sum is 39.

Adding to 162122553723 its reverse (327355221261), we get a palindrome (489477774984).

The spelling of 162122553723 in words is "one hundred sixty-two billion, one hundred twenty-two million, five hundred fifty-three thousand, seven hundred twenty-three".