22727163666 has 32 divisors (see below), whose sum is σ = 46297153728. Its totient is φ = 7436056320.

The previous prime is 22727163637. The next prime is 22727163707. The reversal of 22727163666 is 66636172722.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12366 + ... + 213558.

It is an arithmetic number, because the mean of its divisors is an integer number (1446786054).

Almost surely, 2^22727163666 is an apocalyptic number.

22727163666 is an abundant number, since it is smaller than the sum of its proper divisors (23569990062).

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

22727163666 is a wasteful number, since it uses less digits than its factorization.

22727163666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201546.

The product of its digits is 1524096, while the sum is 48.

The spelling of 22727163666 in words is "twenty-two billion, seven hundred twenty-seven million, one hundred sixty-three thousand, six hundred sixty-six".