22540521116566 has 8 divisors (see below), whose sum is σ = 35280815660784. Its totient is φ = 10780249229640.

The previous prime is 22540521116513. The next prime is 22540521116567. The reversal of 22540521116566 is 66561112504522.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 490011328621 = 22540521116566 / (2 + 2 + 5 + 4 + 0 + 5 + 2 + 1 + 1 + 1 + 6 + 5 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540521116567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245005664265 + ... + 245005664356.

It is an arithmetic number, because the mean of its divisors is an integer number (4410101957598).

Almost surely, 2^{22540521116566} is an apocalyptic number.

22540521116566 is a deficient number, since it is larger than the sum of its proper divisors (12740294544218).

22540521116566 is a wasteful number, since it uses less digits than its factorization.

22540521116566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490011328646.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 22540521116566 in words is "twenty-two trillion, five hundred forty billion, five hundred twenty-one million, one hundred sixteen thousand, five hundred sixty-six".