22553632661 has 8 divisors (see below), whose sum is σ = 26160290880. Its totient is φ = 19043152128.

The previous prime is 22553632657. The next prime is 22553632679. The reversal of 22553632661 is 16623635522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22553632661 - 2² = 22553632657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553632061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24043916 + ... + 24044853.

It is an arithmetic number, because the mean of its divisors is an integer number (3270036360).

Almost surely, 2^22553632661 is an apocalyptic number.

It is an amenable number.

22553632661 is a deficient number, since it is larger than the sum of its proper divisors (3606658219).

22553632661 is an equidigital number, since it uses as much as digits as its factorization.

22553632661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48088843.

The product of its digits is 388800, while the sum is 41.

The spelling of 22553632661 in words is "twenty-two billion, five hundred fifty-three million, six hundred thirty-two thousand, six hundred sixty-one".