22116161525 has 24 divisors (see below), whose sum is σ = 28029679200. Its totient is φ = 17305444800.

The previous prime is 22116161513. The next prime is 22116161567. The reversal of 22116161525 is 52516161122.

It is not a de Polignac number, because 22116161525 - 2⁶ = 22116161461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22116161491 and 22116161500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232466 + ... + 313484.

It is an arithmetic number, because the mean of its divisors is an integer number (1167903300).

Almost surely, 2^22116161525 is an apocalyptic number.

22116161525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22116161525 is a deficient number, since it is larger than the sum of its proper divisors (5913517675).

22116161525 is a wasteful number, since it uses less digits than its factorization.

22116161525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81269 (or 81264 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The spelling of 22116161525 in words is "twenty-two billion, one hundred sixteen million, one hundred sixty-one thousand, five hundred twenty-five".