22160055612 has 12 divisors (see below), whose sum is σ = 51706796456. Its totient is φ = 7386685200.

The previous prime is 22160055583. The next prime is 22160055649. The reversal of 22160055612 is 21655006122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22160055612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923335639 + ... + 923335662.

Almost surely, 2^22160055612 is an apocalyptic number.

It is an amenable number.

22160055612 is an abundant number, since it is smaller than the sum of its proper divisors (29546740844).

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

22160055612 is a wasteful number, since it uses less digits than its factorization.

22160055612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846671308 (or 1846671306 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 22160055612 in words is "twenty-two billion, one hundred sixty million, fifty-five thousand, six hundred twelve".