18350480958 has 16 divisors (see below), whose sum is σ = 36710933520. Its totient is φ = 6115165056.

The previous prime is 18350480909. The next prime is 18350480983. The reversal of 18350480958 is 85908405381.

It is a self number, because there is not a number n which added to its sum of digits gives 18350480958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391453 + ... + 435816.

It is an arithmetic number, because the mean of its divisors is an integer number (2294433345).

Almost surely, 2^18350480958 is an apocalyptic number.

18350480958 is an abundant number, since it is smaller than the sum of its proper divisors (18360452562).

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

18350480958 is a wasteful number, since it uses less digits than its factorization.

18350480958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830971.

The product of its (nonzero) digits is 1382400, while the sum is 51.

It can be divided in two parts, 183504 and 80958, that added together give a palindrome (264462).

The spelling of 18350480958 in words is "eighteen billion, three hundred fifty million, four hundred eighty thousand, nine hundred fifty-eight".