22536581760 has 1536 divisors, whose sum is σ = 106546752000. Its totient is φ = 4335206400.

The previous prime is 22536581759. The next prime is 22536581783. The reversal of 22536581760 is 6718563522.

22536581760 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 6 + 581 + 7 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 369452130 + ... + 369452190.

It is an arithmetic number, because the mean of its divisors is an integer number (69366375).

Almost surely, 2^22536581760 is an apocalyptic number.

22536581760 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 22536581760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53273376000).

22536581760 is an abundant number, since it is smaller than the sum of its proper divisors (84010170240).

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

22536581760 is a wasteful number, since it uses less digits than its factorization.

22536581760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 22536581760 in words is "twenty-two billion, five hundred thirty-six million, five hundred eighty-one thousand, seven hundred sixty".