22163166541 has 8 divisors (see below), whose sum is σ = 22395182264. Its totient is φ = 21931223040.

The previous prime is 22163166461. The next prime is 22163166563. The reversal of 22163166541 is 14566136122.

It can be written as a sum of positive squares in 4 ways, for example, as 2276244100 + 19886922441 = 47710^2 + 141021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22163166541 - 2²⁷ = 22028948813 is a prime.

It is a super-2 number, since 2×22163166541² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22163166541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163167541) 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, 783541 + ... + 811333.

It is an arithmetic number, because the mean of its divisors is an integer number (2799397783).

Almost surely, 2^22163166541 is an apocalyptic number.

It is an amenable number.

22163166541 is a deficient number, since it is larger than the sum of its proper divisors (232015723).

22163166541 is an equidigital number, since it uses as much as digits as its factorization.

22163166541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36111.

The product of its digits is 51840, while the sum is 37.

The spelling of 22163166541 in words is "twenty-two billion, one hundred sixty-three million, one hundred sixty-six thousand, five hundred forty-one".