22165631577793 has 24 divisors (see below), whose sum is σ = 24385580472960. Its totient is φ = 20132629360800.

The previous prime is 22165631577781. The next prime is 22165631577809. The reversal of 22165631577793 is 39777513656122.

It is a de Polignac number, because none of the positive numbers 2^k-22165631577793 is a prime.

It is a super-2 number, since 2×22165631577793² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22165631577773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054541638 + ... + 1054562656.

It is an arithmetic number, because the mean of its divisors is an integer number (1016065853040).

Almost surely, 2^{22165631577793} is an apocalyptic number.

It is an amenable number.

22165631577793 is a deficient number, since it is larger than the sum of its proper divisors (2219948895167).

22165631577793 is a wasteful number, since it uses less digits than its factorization.

22165631577793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28389 (or 28378 counting only the distinct ones).

The product of its digits is 100018800, while the sum is 64.

The spelling of 22165631577793 in words is "twenty-two trillion, one hundred sixty-five billion, six hundred thirty-one million, five hundred seventy-seven thousand, seven hundred ninety-three".