22598161664 has 144 divisors (see below), whose sum is σ = 51315126912. Its totient is φ = 9853476864.

The previous prime is 22598161643. The next prime is 22598161679. The reversal of 22598161664 is 46616189522.

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 15 ways as a sum of consecutive naturals, for example, 6351374 + ... + 6354930.

It is an arithmetic number, because the mean of its divisors is an integer number (356355048).

Almost surely, 2^22598161664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22598161664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25657563456).

22598161664 is an abundant number, since it is smaller than the sum of its proper divisors (28716965248).

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

22598161664 is a wasteful number, since it uses less digits than its factorization.

22598161664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3678 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 22598161664 in words is "twenty-two billion, five hundred ninety-eight million, one hundred sixty-one thousand, six hundred sixty-four".