22999660560 has 160 divisors (see below), whose sum is σ = 80906964480. Its totient is φ = 6002721792.

The previous prime is 22999660549. The next prime is 22999660597. The reversal of 22999660560 is 6506699922.

22999660560 is a `hidden beast` number, since 2 + 29 + 9 + 9 + 6 + 605 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 22999660497 and 22999660506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11757 + ... + 214796.

It is an arithmetic number, because the mean of its divisors is an integer number (505668528).

Almost surely, 2^22999660560 is an apocalyptic number.

22999660560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22999660560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40453482240).

22999660560 is an abundant number, since it is smaller than the sum of its proper divisors (57907303920).

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

22999660560 is a wasteful number, since it uses less digits than its factorization.

22999660560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226622 (or 226610 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 22999660560 in words is "twenty-two billion, nine hundred ninety-nine million, six hundred sixty thousand, five hundred sixty".