22160565504 has 432 divisors, whose sum is σ = 83139323904. Its totient is φ = 5504716800.

The previous prime is 22160565457. The next prime is 22160565517. The reversal of 22160565504 is 40556506122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4077669 + ... + 4083099.

Almost surely, 2^22160565504 is an apocalyptic number.

22160565504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22160565504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41569661952).

22160565504 is an abundant number, since it is smaller than the sum of its proper divisors (60978758400).

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

22160565504 is a wasteful number, since it uses less digits than its factorization.

22160565504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494 (or 5477 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 22160565504 in words is "twenty-two billion, one hundred sixty million, five hundred sixty-five thousand, five hundred four".