18354765822 has 16 divisors (see below), whose sum is σ = 36773159952. Its totient is φ = 6107650560.

The previous prime is 18354765797. The next prime is 18354765829. The reversal of 18354765822 is 22856745381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18354765829) 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, 2647429 + ... + 2654352.

It is an arithmetic number, because the mean of its divisors is an integer number (2298322497).

Almost surely, 2^18354765822 is an apocalyptic number.

18354765822 is an abundant number, since it is smaller than the sum of its proper divisors (18418394130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18354765822 is a wasteful number, since it uses less digits than its factorization.

18354765822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302363.

The product of its digits is 3225600, while the sum is 51.

The spelling of 18354765822 in words is "eighteen billion, three hundred fifty-four million, seven hundred sixty-five thousand, eight hundred twenty-two".