18364884190 has 16 divisors (see below), whose sum is σ = 33825554928. Its totient is φ = 7175117376.

The previous prime is 18364884179. The next prime is 18364884203. The reversal of 18364884190 is 9148846381.

It is a super-2 number, since 2×18364884190² (a number of 21 digits) contains 22 as substring.

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, 21354087 + ... + 21354946.

It is an arithmetic number, because the mean of its divisors is an integer number (2114097183).

Almost surely, 2^18364884190 is an apocalyptic number.

18364884190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18364884190 is a deficient number, since it is larger than the sum of its proper divisors (15460670738).

18364884190 is a wasteful number, since it uses less digits than its factorization.

18364884190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42709083.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 18364884190 in words is "eighteen billion, three hundred sixty-four million, eight hundred eighty-four thousand, one hundred ninety".