22766186752 has 72 divisors (see below), whose sum is σ = 48197556792. Its totient is φ = 10695475200.

The previous prime is 22766186743. The next prime is 22766186753. The reversal of 22766186752 is 25768166722.

It can be written as a sum of positive squares in 4 ways, for example, as 9638526976 + 13127659776 = 98176^2 + 114576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22766186752.

It is not an unprimeable number, because it can be changed into a prime (22766186753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785552 + ... + 2793712.

It is an arithmetic number, because the mean of its divisors is an integer number (669410511).

Almost surely, 2^22766186752 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 22766186752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24098778396).

22766186752 is an abundant number, since it is smaller than the sum of its proper divisors (25431370040).

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

22766186752 is an equidigital number, since it uses as much as digits as its factorization.

22766186752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835 (or 8821 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

It can be divided in two parts, 227661 and 86752, that added together give a palindrome (314413).

The spelling of 22766186752 in words is "twenty-two billion, seven hundred sixty-six million, one hundred eighty-six thousand, seven hundred fifty-two".