23166164 has 48 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 9525600.

The previous prime is 23166163. The next prime is 23166167. The reversal of 23166164 is 46166132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23166163) 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 15 ways as a sum of consecutive naturals, for example, 85349 + ... + 85619.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

Almost surely, 2^23166164 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 23166164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24127488).

23166164 is an abundant number, since it is smaller than the sum of its proper divisors (25088812).

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

23166164 is a wasteful number, since it uses less digits than its factorization.

23166164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 23166164 is about 4813.1241413452. The cubic root of 23166164 is about 285.0699079560.

The spelling of 23166164 in words is "twenty-three million, one hundred sixty-six thousand, one hundred sixty-four".