23616666 has 24 divisors (see below), whose sum is σ = 51577344. Its totient is φ = 7809480.

The previous prime is 23616631. The next prime is 23616667. The reversal of 23616666 is 66661632.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23616666.

It is not an unprimeable number, because it can be changed into a prime (23616667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2880 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (2149056).

Almost surely, 2^23616666 is an apocalyptic number.

23616666 is an abundant number, since it is smaller than the sum of its proper divisors (27960678).

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

23616666 is a wasteful number, since it uses less digits than its factorization.

23616666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10463 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23616666 is about 4859.6981387736. The cubic root of 23616666 is about 286.9059329852.

The spelling of 23616666 in words is "twenty-three million, six hundred sixteen thousand, six hundred sixty-six".