18332782005 has 16 divisors (see below), whose sum is σ = 29342680704. Its totient is φ = 9774073920.

The previous prime is 18332782001. The next prime is 18332782007. The reversal of 18332782005 is 50028723381.

It is not a de Polignac number, because 18332782005 - 2² = 18332782001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18332782001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168366 + ... + 254975.

It is an arithmetic number, because the mean of its divisors is an integer number (1833917544).

Almost surely, 2^18332782005 is an apocalyptic number.

18332782005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18332782005 is a deficient number, since it is larger than the sum of its proper divisors (11009898699).

18332782005 is a wasteful number, since it uses less digits than its factorization.

18332782005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426236.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 18332782005 in words is "eighteen billion, three hundred thirty-two million, seven hundred eighty-two thousand, five".