22534111661 has 8 divisors (see below), whose sum is σ = 22599442080. Its totient is φ = 22468812912.

The previous prime is 22534111651. The next prime is 22534111667. The reversal of 22534111661 is 16611143522.

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

It is a cyclic number.

It is not a de Polignac number, because 22534111661 - 2¹⁸ = 22533849517 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 (22534111667) 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, 2729606 + ... + 2737848.

It is an arithmetic number, because the mean of its divisors is an integer number (2824930260).

Almost surely, 2^22534111661 is an apocalyptic number.

It is an amenable number.

22534111661 is a deficient number, since it is larger than the sum of its proper divisors (65330419).

22534111661 is an equidigital number, since it uses as much as digits as its factorization.

22534111661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15835.

The product of its digits is 8640, while the sum is 32.

The spelling of 22534111661 in words is "twenty-two billion, five hundred thirty-four million, one hundred eleven thousand, six hundred sixty-one".