22160002688 has 16 divisors (see below), whose sum is σ = 44146880610. Its totient is φ = 11080001280.

The previous prime is 22160002687. The next prime is 22160002691. The reversal of 22160002688 is 88620006122.

It can be written as a sum of positive squares in only one way, i.e., 18255252544 + 3904750144 = 135112^2 + 62488^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (22160002687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86562383 + ... + 86562638.

Almost surely, 2^22160002688 is an apocalyptic number.

It is an amenable number.

22160002688 is a deficient number, since it is larger than the sum of its proper divisors (21986877922).

22160002688 is an equidigital number, since it uses as much as digits as its factorization.

22160002688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173125035 (or 173125023 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 22160002688 in words is "twenty-two billion, one hundred sixty million, two thousand, six hundred eighty-eight".