18192214452 has 24 divisors (see below), whose sum is σ = 42456488256. Its totient is φ = 6062930368.

The previous prime is 18192214433. The next prime is 18192214477. The reversal of 18192214452 is 25441229181.

It is a self number, because there is not a number n which added to its sum of digits gives 18192214452.

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, 74928 + ... + 204935.

It is an arithmetic number, because the mean of its divisors is an integer number (1769020344).

Almost surely, 2^18192214452 is an apocalyptic number.

18192214452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18192214452 is an abundant number, since it is smaller than the sum of its proper divisors (24264273804).

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

18192214452 is a wasteful number, since it uses less digits than its factorization.

18192214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285287 (or 285285 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The spelling of 18192214452 in words is "eighteen billion, one hundred ninety-two million, two hundred fourteen thousand, four hundred fifty-two".