18326433931382 has 16 divisors (see below), whose sum is σ = 27508319167680. Its totient is φ = 9156995632512.

The previous prime is 18326433931381. The next prime is 18326433931411. The reversal of 18326433931382 is 28313933462381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326433931381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25716908 + ... + 26419920.

It is an arithmetic number, because the mean of its divisors is an integer number (1719269947980).

Almost surely, 2^{18326433931382} is an apocalyptic number.

18326433931382 is a deficient number, since it is larger than the sum of its proper divisors (9181885236298).

18326433931382 is a wasteful number, since it uses less digits than its factorization.

18326433931382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711847.

The product of its digits is 13436928, while the sum is 56.

The spelling of 18326433931382 in words is "eighteen trillion, three hundred twenty-six billion, four hundred thirty-three million, nine hundred thirty-one thousand, three hundred eighty-two".