22961253616 has 80 divisors (see below), whose sum is σ = 52346649600. Its totient is φ = 9551900160.

The previous prime is 22961253571. The next prime is 22961253641. The reversal of 22961253616 is 61635216922.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 901245 + ... + 926371.

It is an arithmetic number, because the mean of its divisors is an integer number (654333120).

Almost surely, 2^22961253616 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 22961253616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26173324800).

22961253616 is an abundant number, since it is smaller than the sum of its proper divisors (29385395984).

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

22961253616 is a wasteful number, since it uses less digits than its factorization.

22961253616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25382 (or 25376 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 22961253616 in words is "twenty-two billion, nine hundred sixty-one million, two hundred fifty-three thousand, six hundred sixteen".