22957986816 has 264 divisors, whose sum is σ = 69205631040. Its totient is φ = 7601651712.

The previous prime is 22957986809. The next prime is 22957986841. The reversal of 22957986816 is 61868975922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63949645 + ... + 63950003.

Almost surely, 2^22957986816 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 22957986816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34602815520).

22957986816 is an abundant number, since it is smaller than the sum of its proper divisors (46247644224).

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

22957986816 is an equidigital number, since it uses as much as digits as its factorization.

22957986816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 621 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 22957986816 in words is "twenty-two billion, nine hundred fifty-seven million, nine hundred eighty-six thousand, eight hundred sixteen".