18165473359383 has 16 divisors (see below), whose sum is σ = 28573647804416. Its totient is φ = 10045423055520.

The previous prime is 18165473359331. The next prime is 18165473359403. The reversal of 18165473359383 is 38395337456181.

It is not a de Polignac number, because 18165473359383 - 2⁸ = 18165473359127 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18165473459383) 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, 13951975816 + ... + 13951977117.

It is an arithmetic number, because the mean of its divisors is an integer number (1785852987776).

Almost surely, 2^{18165473359383} is an apocalyptic number.

18165473359383 is a deficient number, since it is larger than the sum of its proper divisors (10408174445033).

18165473359383 is a wasteful number, since it uses less digits than its factorization.

18165473359383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27903952974.

The product of its digits is 195955200, while the sum is 66.

The spelling of 18165473359383 in words is "eighteen trillion, one hundred sixty-five billion, four hundred seventy-three million, three hundred fifty-nine thousand, three hundred eighty-three".