18016960 has 112 divisors (see below), whose sum is σ = 47621952. Its totient is φ = 6451200.

The previous prime is 18016951. The next prime is 18016961. The reversal of 18016960 is 6961081.

It is a happy number.

It is a super-2 number, since 2×18016960² = 649221695283200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18016961) 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, 253725 + ... + 253795.

It is an arithmetic number, because the mean of its divisors is an integer number (425196).

Almost surely, 2^18016960 is an apocalyptic number.

18016960 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 18016960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23810976).

18016960 is an abundant number, since it is smaller than the sum of its proper divisors (29604992).

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

18016960 is a wasteful number, since it uses less digits than its factorization.

18016960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 18016960 is about 4244.6389716912. The cubic root of 18016960 is about 262.1564242754.

The spelling of 18016960 in words is "eighteen million, sixteen thousand, nine hundred sixty".