22166145364 has 18 divisors (see below), whose sum is σ = 42637772282. Its totient is φ = 10075520400.

The previous prime is 22166145341. The next prime is 22166145437. The reversal of 22166145364 is 46354166122.

It can be written as a sum of positive squares in only one way, i.e., 19793676100 + 2372469264 = 140690^2 + 48708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22898427 + ... + 22899394.

Almost surely, 2^22166145364 is an apocalyptic number.

It is an amenable number.

22166145364 is a deficient number, since it is larger than the sum of its proper divisors (20471626918).

22166145364 is a wasteful number, since it uses less digits than its factorization.

22166145364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45797847 (or 45797834 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 22166145364 in words is "twenty-two billion, one hundred sixty-six million, one hundred forty-five thousand, three hundred sixty-four".