22661155116624 has 80 divisors (see below), whose sum is σ = 58662232291520. Its totient is φ = 7538124764160.

The previous prime is 22661155116623. The next prime is 22661155116629. The reversal of 22661155116624 is 42661155116622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661155116623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88372404 + ... + 88628460.

It is an arithmetic number, because the mean of its divisors is an integer number (733277903644).

Almost surely, 2^{22661155116624} is an apocalyptic number.

22661155116624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22661155116624 is an abundant number, since it is smaller than the sum of its proper divisors (36001077174896).

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

22661155116624 is a wasteful number, since it uses less digits than its factorization.

22661155116624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259868 (or 259862 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 22661155116624 in words is "twenty-two trillion, six hundred sixty-one billion, one hundred fifty-five million, one hundred sixteen thousand, six hundred twenty-four".