23666716 has 12 divisors (see below), whose sum is σ = 41534640. Its totient is φ = 11799680.

The previous prime is 23666711. The next prime is 23666749. The reversal of 23666716 is 61766632.

It is a super-2 number, since 2×23666716² = 1120226892449312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666711) 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, 6805 + ... + 9676.

It is an arithmetic number, because the mean of its divisors is an integer number (3461220).

Almost surely, 2^23666716 is an apocalyptic number.

It is an amenable number.

23666716 is a deficient number, since it is larger than the sum of its proper divisors (17867924).

23666716 is a wasteful number, since it uses less digits than its factorization.

23666716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844 (or 16842 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 23666716 is about 4864.8449101693. The cubic root of 23666716 is about 287.1084666523.

The spelling of 23666716 in words is "twenty-three million, six hundred sixty-six thousand, seven hundred sixteen".