22163517145 has 32 divisors (see below), whose sum is σ = 33276257280. Its totient is φ = 13767330240.

The previous prime is 22163517139. The next prime is 22163517161. The reversal of 22163517145 is 54171536122.

It is not a de Polignac number, because 22163517145 - 2³ = 22163517137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7246 + ... + 210664.

It is an arithmetic number, because the mean of its divisors is an integer number (1039883040).

Almost surely, 2^22163517145 is an apocalyptic number.

It is an amenable number.

22163517145 is a deficient number, since it is larger than the sum of its proper divisors (11112740135).

22163517145 is a wasteful number, since it uses less digits than its factorization.

22163517145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203725.

The product of its digits is 50400, while the sum is 37.

The spelling of 22163517145 in words is "twenty-two billion, one hundred sixty-three million, five hundred seventeen thousand, one hundred forty-five".