18336023860 has 96 divisors (see below), whose sum is σ = 48546812160. Its totient is φ = 5650867200.

The previous prime is 18336023843. The next prime is 18336023861. The reversal of 18336023860 is 6832063381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18336023861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70170 + ... + 203950.

It is an arithmetic number, because the mean of its divisors is an integer number (505695960).

Almost surely, 2^18336023860 is an apocalyptic number.

18336023860 is a gapful number since it is divisible by the number (10) 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 18336023860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24273406080).

18336023860 is an abundant number, since it is smaller than the sum of its proper divisors (30210788300).

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

18336023860 is a wasteful number, since it uses less digits than its factorization.

18336023860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133897 (or 133895 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 18336023860 in words is "eighteen billion, three hundred thirty-six million, twenty-three thousand, eight hundred sixty".