22851561760 has 24 divisors (see below), whose sum is σ = 53986815036. Its totient is φ = 9140624640.

The previous prime is 22851561697. The next prime is 22851561791. The reversal of 22851561760 is 6716515822.

It can be written as a sum of positive squares in 2 ways, for example, as 21824743824 + 1026817936 = 147732^2 + 32044^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 71410971 + ... + 71411290.

Almost surely, 2^22851561760 is an apocalyptic number.

22851561760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22851561760 is an abundant number, since it is smaller than the sum of its proper divisors (31135253276).

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

22851561760 is a wasteful number, since it uses less digits than its factorization.

22851561760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142822276 (or 142822268 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 22851561760 in words is "twenty-two billion, eight hundred fifty-one million, five hundred sixty-one thousand, seven hundred sixty".