18216960 has 96 divisors (see below), whose sum is σ = 58378320. Its totient is φ = 4849664.

The previous prime is 18216941. The next prime is 18216971. The reversal of 18216960 is 6961281.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30424 + ... + 31016.

Almost surely, 2^18216960 is an apocalyptic number.

18216960 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 18216960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29189160).

18216960 is an abundant number, since it is smaller than the sum of its proper divisors (40161360).

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

18216960 is an equidigital number, since it uses as much as digits as its factorization.

18216960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 18216960 is about 4268.1330813366. The cubic root of 18216960 is about 263.1228926359.

The spelling of 18216960 in words is "eighteen million, two hundred sixteen thousand, nine hundred sixty".