23166036 has 36 divisors (see below), whose sum is σ = 62004852. Its totient is φ = 7267584.

The previous prime is 23166029. The next prime is 23166061. The reversal of 23166036 is 63066132.

23166036 = 214² + 215² + ... + 429².

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 16353936 = 2610^2 + 4044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18315 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (1722357).

Almost surely, 2^23166036 is an apocalyptic number.

It is an amenable number.

23166036 is an abundant number, since it is smaller than the sum of its proper divisors (38838816).

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

23166036 is a wasteful number, since it uses less digits than its factorization.

23166036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880 (or 37875 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23166036 is about 4813.1108443500. The cubic root of 23166036 is about 285.0693829228.

The spelling of 23166036 in words is "twenty-three million, one hundred sixty-six thousand, thirty-six".