22075661696 has 128 divisors (see below), whose sum is σ = 48945409920. Its totient is φ = 9833472000.

The previous prime is 22075661687. The next prime is 22075661749. The reversal of 22075661696 is 69616657022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22734491 + ... + 22735461.

It is an arithmetic number, because the mean of its divisors is an integer number (382386015).

Almost surely, 2^22075661696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22075661696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24472704960).

22075661696 is an abundant number, since it is smaller than the sum of its proper divisors (26869748224).

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

22075661696 is a wasteful number, since it uses less digits than its factorization.

22075661696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 22075661696 in words is "twenty-two billion, seventy-five million, six hundred sixty-one thousand, six hundred ninety-six".