18055180922 has 16 divisors (see below), whose sum is σ = 28683956520. Its totient is φ = 8494161408.

The previous prime is 18055180919. The next prime is 18055180937. The reversal of 18055180922 is 22908155081.

It can be written as a sum of positive squares in 4 ways, for example, as 12385241521 + 5669939401 = 111289^2 + 75299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18055180922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50654 + ... + 196662.

Almost surely, 2^18055180922 is an apocalyptic number.

18055180922 is a deficient number, since it is larger than the sum of its proper divisors (10628775598).

18055180922 is a wasteful number, since it uses less digits than its factorization.

18055180922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149665.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 18055180922 in words is "eighteen billion, fifty-five million, one hundred eighty thousand, nine hundred twenty-two".