18082258550 has 12 divisors (see below), whose sum is σ = 33633000996. Its totient is φ = 7232903400.

The previous prime is 18082258541. The next prime is 18082258559. The reversal of 18082258550 is 5585228081.

It is an interprime number because it is at equal distance from previous prime (18082258541) and next prime (18082258559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082258559) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 180822536 + ... + 180822635.

It is an arithmetic number, because the mean of its divisors is an integer number (2802750083).

Almost surely, 2^18082258550 is an apocalyptic number.

18082258550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18082258550 is a deficient number, since it is larger than the sum of its proper divisors (15550742446).

18082258550 is a wasteful number, since it uses less digits than its factorization.

18082258550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361645183 (or 361645178 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 44.

The spelling of 18082258550 in words is "eighteen billion, eighty-two million, two hundred fifty-eight thousand, five hundred fifty".