18150912 has 160 divisors (see below), whose sum is σ = 58433760. Its totient is φ = 5529600.

The previous prime is 18150911. The next prime is 18150929. The reversal of 18150912 is 21905181.

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 (18150911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179662 + ... + 179762.

It is an arithmetic number, because the mean of its divisors is an integer number (365211).

Almost surely, 2^18150912 is an apocalyptic number.

18150912 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 18150912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29216880).

18150912 is an abundant number, since it is smaller than the sum of its proper divisors (40282848).

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

18150912 is a wasteful number, since it uses less digits than its factorization.

18150912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 18150912 is about 4260.3887146597. The cubic root of 18150912 is about 262.8045119219.

The spelling of 18150912 in words is "eighteen million, one hundred fifty thousand, nine hundred twelve".