22163166512 has 40 divisors (see below), whose sum is σ = 45293559360. Its totient is φ = 10476889920.

The previous prime is 22163166461. The next prime is 22163166563. The reversal of 22163166512 is 21566136122.

It is an interprime number because it is at equal distance from previous prime (22163166461) and next prime (22163166563).

It is a super-2 number, since 2×22163166512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75023 + ... + 223505.

It is an arithmetic number, because the mean of its divisors is an integer number (1132338984).

Almost surely, 2^22163166512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22163166512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22646779680).

22163166512 is an abundant number, since it is smaller than the sum of its proper divisors (23130392848).

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

22163166512 is a wasteful number, since it uses less digits than its factorization.

22163166512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149001 (or 148995 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 22163166512 in words is "twenty-two billion, one hundred sixty-three million, one hundred sixty-six thousand, five hundred twelve".