22161504525162 has 16 divisors (see below), whose sum is σ = 44402583579552. Its totient is φ = 7373905753520.

The previous prime is 22161504525109. The next prime is 22161504525163. The reversal of 22161504525162 is 26152540516122.

It is a super-2 number, since 2×22161504525162² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22161504525163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315601764 + ... + 3315608447.

It is an arithmetic number, because the mean of its divisors is an integer number (2775161473722).

Almost surely, 2^{22161504525162} is an apocalyptic number.

22161504525162 is an abundant number, since it is smaller than the sum of its proper divisors (22241079054390).

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

22161504525162 is a wasteful number, since it uses less digits than its factorization.

22161504525162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631210773.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 22161504525162 in words is "twenty-two trillion, one hundred sixty-one billion, five hundred four million, five hundred twenty-five thousand, one hundred sixty-two".