18116352 has 72 divisors (see below), whose sum is σ = 53593680. Its totient is φ = 6036480.

The previous prime is 18116333. The next prime is 18116353. The reversal of 18116352 is 25361181.

18116352 is a `hidden beast` number, since 18 + 11 + 635 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18116353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602 + ... + 8222.

Almost surely, 2^18116352 is an apocalyptic number.

18116352 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 18116352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26796840).

18116352 is an abundant number, since it is smaller than the sum of its proper divisors (35477328).

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

18116352 is an equidigital number, since it uses as much as digits as its factorization.

18116352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2626 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 18116352 is about 4256.3308142108. The cubic root of 18116352 is about 262.6376094815.

The spelling of 18116352 in words is "eighteen million, one hundred sixteen thousand, three hundred fifty-two".