23166044352 has 420 divisors, whose sum is σ = 75939197880. Its totient is φ = 6746572800.

The previous prime is 23166044351. The next prime is 23166044357. The reversal of 23166044352 is 25344066132.

23166044352 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 604 + 43 + 5 + 2 = 666.

It is a super-2 number, since 2×23166044352² (a number of 22 digits) contains 22 as substring.

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 (23166044351) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 345761823 + ... + 345761889.

It is an arithmetic number, because the mean of its divisors is an integer number (180807614).

Almost surely, 2^23166044352 is an apocalyptic number.

23166044352 is a gapful number since it is divisible by the number (22) 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 23166044352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37969598940).

23166044352 is an abundant number, since it is smaller than the sum of its proper divisors (52773153528).

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

23166044352 is an equidigital number, since it uses as much as digits as its factorization.

23166044352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 23166044352 in words is "twenty-three billion, one hundred sixty-six million, forty-four thousand, three hundred fifty-two".