18074016 has 120 divisors (see below), whose sum is σ = 56105280. Its totient is φ = 5692032.

The previous prime is 18073981. The next prime is 18074027. The reversal of 18074016 is 61047081.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49065 + ... + 49431.

It is an arithmetic number, because the mean of its divisors is an integer number (467544).

Almost surely, 2^18074016 is an apocalyptic number.

18074016 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 18074016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28052640).

18074016 is an abundant number, since it is smaller than the sum of its proper divisors (38031264).

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

18074016 is a wasteful number, since it uses less digits than its factorization.

18074016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 18074016 is about 4251.3546076515. The cubic root of 18074016 is about 262.4328644639.

The spelling of 18074016 in words is "eighteen million, seventy-four thousand, sixteen".