18285423696 has 120 divisors (see below), whose sum is σ = 52326293760. Its totient is φ = 5958190848.

The previous prime is 18285423641. The next prime is 18285423701. The reversal of 18285423696 is 69632458281.

18285423696 is a `hidden beast` number, since 1 + 8 + 2 + 8 + 542 + 3 + 6 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10550446 + ... + 10552178.

It is an arithmetic number, because the mean of its divisors is an integer number (436052448).

Almost surely, 2^18285423696 is an apocalyptic number.

18285423696 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 18285423696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26163146880).

18285423696 is an abundant number, since it is smaller than the sum of its proper divisors (34040870064).

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

18285423696 is a wasteful number, since it uses less digits than its factorization.

18285423696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353 (or 3344 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 18285423696 in words is "eighteen billion, two hundred eighty-five million, four hundred twenty-three thousand, six hundred ninety-six".