22116556316553 has 4 divisors (see below), whose sum is σ = 29488741755408. Its totient is φ = 14744370877700.

The previous prime is 22116556316531. The next prime is 22116556316567. The reversal of 22116556316553 is 35561365561122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22116556316553 - 2⁶ = 22116556316489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22116556316496 and 22116556316505.

It is not an unprimeable number, because it can be changed into a prime (22116556316513) 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, 3686092719423 + ... + 3686092719428.

It is an arithmetic number, because the mean of its divisors is an integer number (7372185438852).

Almost surely, 2^{22116556316553} is an apocalyptic number.

It is an amenable number.

22116556316553 is a deficient number, since it is larger than the sum of its proper divisors (7372185438855).

22116556316553 is an equidigital number, since it uses as much as digits as its factorization.

22116556316553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372185438854.

The product of its digits is 4860000, while the sum is 51.

The spelling of 22116556316553 in words is "twenty-two trillion, one hundred sixteen billion, five hundred fifty-six million, three hundred sixteen thousand, five hundred fifty-three".