18325677312 has 216 divisors, whose sum is σ = 54562094496. Its totient is φ = 5911031808.

The previous prime is 18325677287. The next prime is 18325677347. The reversal of 18325677312 is 21377652381.

18325677312 is a `hidden beast` number, since 1 + 8 + 3 + 2 + 567 + 73 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19350823 + ... + 19351769.

Almost surely, 2^18325677312 is an apocalyptic number.

18325677312 is a gapful number since it is divisible by the number (12) 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 18325677312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27281047248).

18325677312 is an abundant number, since it is smaller than the sum of its proper divisors (36236417184).

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

18325677312 is a wasteful number, since it uses less digits than its factorization.

18325677312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1216 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 18325677312 in words is "eighteen billion, three hundred twenty-five million, six hundred seventy-seven thousand, three hundred twelve".