23166560 has 24 divisors (see below), whose sum is σ = 54731376. Its totient is φ = 9266560.

The previous prime is 23166557. The next prime is 23166569. The reversal of 23166560 is 6566132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23166569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72236 + ... + 72555.

It is an arithmetic number, because the mean of its divisors is an integer number (2280474).

Almost surely, 2^23166560 is an apocalyptic number.

23166560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23166560 is an abundant number, since it is smaller than the sum of its proper divisors (31564816).

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

23166560 is a wasteful number, since it uses less digits than its factorization.

23166560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144806 (or 144798 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23166560 is about 4813.1652786914. The cubic root of 23166560 is about 285.0715322652.

The spelling of 23166560 in words is "twenty-three million, one hundred sixty-six thousand, five hundred sixty".