22745170321966 has 16 divisors (see below), whose sum is σ = 34185556064880. Its totient is φ = 11349985976640.

The previous prime is 22745170321961. The next prime is 22745170321969. The reversal of 22745170321966 is 66912307154722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22745170321961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49736845 + ... + 50192071.

It is an arithmetic number, because the mean of its divisors is an integer number (2136597254055).

Almost surely, 2^{22745170321966} is an apocalyptic number.

22745170321966 is a deficient number, since it is larger than the sum of its proper divisors (11440385742914).

22745170321966 is a wasteful number, since it uses less digits than its factorization.

22745170321966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504819.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 22745170321966 in words is "twenty-two trillion, seven hundred forty-five billion, one hundred seventy million, three hundred twenty-one thousand, nine hundred sixty-six".