23166642 has 16 divisors (see below), whose sum is σ = 46759680. Its totient is φ = 7651152.

The previous prime is 23166617. The next prime is 23166653. The reversal of 23166642 is 24666132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17058 + ... + 18365.

It is an arithmetic number, because the mean of its divisors is an integer number (2922480).

Almost surely, 2^23166642 is an apocalyptic number.

23166642 is an abundant number, since it is smaller than the sum of its proper divisors (23593038).

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

23166642 is a wasteful number, since it uses less digits than its factorization.

23166642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35537.

The product of its digits is 10368, while the sum is 30.

The square root of 23166642 is about 4813.1737969868. The cubic root of 23166642 is about 285.0718686097.

The spelling of 23166642 in words is "twenty-three million, one hundred sixty-six thousand, six hundred forty-two".