22660055636091 has 4 divisors (see below), whose sum is σ = 30213407514792. Its totient is φ = 15106703757392.

The previous prime is 22660055636089. The next prime is 22660055636149. The reversal of 22660055636091 is 19063655006622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22660055636091 - 2¹ = 22660055636089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22660055636051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776675939346 + ... + 3776675939351.

It is an arithmetic number, because the mean of its divisors is an integer number (7553351878698).

Almost surely, 2^{22660055636091} is an apocalyptic number.

22660055636091 is a deficient number, since it is larger than the sum of its proper divisors (7553351878701).

22660055636091 is an equidigital number, since it uses as much as digits as its factorization.

22660055636091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553351878700.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 22660055636091 in words is "twenty-two trillion, six hundred sixty billion, fifty-five million, six hundred thirty-six thousand, ninety-one".