18202018382 has 16 divisors (see below), whose sum is σ = 27360664704. Its totient is φ = 9081819000.

The previous prime is 18202018357. The next prime is 18202018397. The reversal of 18202018382 is 28381020281.

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, 1997657 + ... + 2006747.

It is an arithmetic number, because the mean of its divisors is an integer number (1710041544).

Almost surely, 2^18202018382 is an apocalyptic number.

18202018382 is a deficient number, since it is larger than the sum of its proper divisors (9158646322).

18202018382 is a wasteful number, since it uses less digits than its factorization.

18202018382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095.

The product of its (nonzero) digits is 12288, while the sum is 35.

It can be divided in two parts, 1820 and 2018382, that added together give a palindrome (2020202).

The spelling of 18202018382 in words is "eighteen billion, two hundred two million, eighteen thousand, three hundred eighty-two".