18183675456 has 336 divisors, whose sum is σ = 58542082560. Its totient is φ = 5368135680.

The previous prime is 18183675449. The next prime is 18183675467. The reversal of 18183675456 is 65457638181.

It is a happy number.

18183675456 is a `hidden beast` number, since 1 + 8 + 183 + 6 + 7 + 5 + 456 = 666.

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 47 ways as a sum of consecutive naturals, for example, 11230615 + ... + 11232233.

Almost surely, 2^18183675456 is an apocalyptic number.

18183675456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18183675456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29271041280).

18183675456 is an abundant number, since it is smaller than the sum of its proper divisors (40358407104).

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

18183675456 is a wasteful number, since it uses less digits than its factorization.

18183675456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1709 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 18183675456 in words is "eighteen billion, one hundred eighty-three million, six hundred seventy-five thousand, four hundred fifty-six".