23366838666 has 64 divisors (see below), whose sum is σ = 49470595200. Its totient is φ = 7337558016.

The previous prime is 23366838637. The next prime is 23366838683. The reversal of 23366838666 is 66683866332.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20265546 + ... + 20266698.

It is an arithmetic number, because the mean of its divisors is an integer number (772978050).

Almost surely, 2^23366838666 is an apocalyptic number.

23366838666 is an abundant number, since it is smaller than the sum of its proper divisors (26103756534).

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

23366838666 is a wasteful number, since it uses less digits than its factorization.

23366838666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023.

The product of its digits is 26873856, while the sum is 57.

The spelling of 23366838666 in words is "twenty-three billion, three hundred sixty-six million, eight hundred thirty-eight thousand, six hundred sixty-six".