22768064371872 has 144 divisors (see below), whose sum is σ = 66028832801568. Its totient is φ = 7439328898560.

The previous prime is 22768064371853. The next prime is 22768064371903. The reversal of 22768064371872 is 27817346086722.

It is a tau number, because it is divible by the number of its divisors (144).

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, 15969423 + ... + 17336625.

It is an arithmetic number, because the mean of its divisors is an integer number (458533561122).

Almost surely, 2^{22768064371872} 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 22768064371872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33014416400784).

22768064371872 is an abundant number, since it is smaller than the sum of its proper divisors (43260768429696).

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

22768064371872 is a wasteful number, since it uses less digits than its factorization.

22768064371872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368363 (or 1368352 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 22768064371872 in words is "twenty-two trillion, seven hundred sixty-eight billion, sixty-four million, three hundred seventy-one thousand, eight hundred seventy-two".