22751250660 has 144 divisors (see below), whose sum is σ = 69476097600. Its totient is φ = 6026372352.

The previous prime is 22751250647. The next prime is 22751250667. The reversal of 22751250660 is 6605215722.

22751250660 is a `hidden beast` number, since 22 + 75 + 1 + 2 + 506 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22751250667) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 26485311 + ... + 26486169.

It is an arithmetic number, because the mean of its divisors is an integer number (482472900).

Almost surely, 2^22751250660 is an apocalyptic number.

22751250660 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 22751250660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34738048800).

22751250660 is an abundant number, since it is smaller than the sum of its proper divisors (46724846940).

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

22751250660 is a wasteful number, since it uses less digits than its factorization.

22751250660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 22751250660 in words is "twenty-two billion, seven hundred fifty-one million, two hundred fifty thousand, six hundred sixty".