18378422682 has 16 divisors (see below), whose sum is σ = 36857004672. Its totient is φ = 6109447680.

The previous prime is 18378422663. The next prime is 18378422687. The reversal of 18378422682 is 28622487381.

It is not an unprimeable number, because it can be changed into a prime (18378422687) by changing a digit.

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, 4170919 + ... + 4175322.

It is an arithmetic number, because the mean of its divisors is an integer number (2303562792).

Almost surely, 2^18378422682 is an apocalyptic number.

18378422682 is an abundant number, since it is smaller than the sum of its proper divisors (18478581990).

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

18378422682 is a wasteful number, since it uses less digits than its factorization.

18378422682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346613.

The product of its digits is 2064384, while the sum is 51.

The spelling of 18378422682 in words is "eighteen billion, three hundred seventy-eight million, four hundred twenty-two thousand, six hundred eighty-two".