22130166506555 has 4 divisors (see below), whose sum is σ = 26556199807872. Its totient is φ = 17704133205240.

The previous prime is 22130166506537. The next prime is 22130166506561. The reversal of 22130166506555 is 55560566103122.

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

It is not a de Polignac number, because 22130166506555 - 2²⁰ = 22130165457979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213016650651 + ... + 2213016650660.

It is an arithmetic number, because the mean of its divisors is an integer number (6639049951968).

Almost surely, 2^{22130166506555} is an apocalyptic number.

22130166506555 is a deficient number, since it is larger than the sum of its proper divisors (4426033301317).

22130166506555 is an equidigital number, since it uses as much as digits as its factorization.

22130166506555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426033301316.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 22130166506555 in words is "twenty-two trillion, one hundred thirty billion, one hundred sixty-six million, five hundred six thousand, five hundred fifty-five".