22158704163 has 24 divisors (see below), whose sum is σ = 31117694400. Its totient is φ = 14021232736.

The previous prime is 22158704147. The next prime is 22158704173. The reversal of 22158704163 is 36140785122.

It is a Cunningham number, because it is equal to 148858²-1.

It is not a de Polignac number, because 22158704163 - 2⁴ = 22158704147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22158704173) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 74428 + ... + 223286.

It is an arithmetic number, because the mean of its divisors is an integer number (1296570600).

Almost surely, 2^22158704163 is an apocalyptic number.

22158704163 is a deficient number, since it is larger than the sum of its proper divisors (8958990237).

22158704163 is a wasteful number, since it uses less digits than its factorization.

22158704163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148979 (or 148950 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 22158704163 in words is "twenty-two billion, one hundred fifty-eight million, seven hundred four thousand, one hundred sixty-three".