18361152 has 84 divisors (see below), whose sum is σ = 53254656. Its totient is φ = 6048000.

The previous prime is 18361141. The next prime is 18361171. The reversal of 18361152 is 25116381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73027 + ... + 73277.

It is an arithmetic number, because the mean of its divisors is an integer number (633984).

Almost surely, 2^18361152 is an apocalyptic number.

18361152 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 18361152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26627328).

18361152 is an abundant number, since it is smaller than the sum of its proper divisors (34893504).

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

18361152 is a wasteful number, since it uses less digits than its factorization.

18361152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 383 counting only the distinct ones).

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

The square root of 18361152 is about 4284.9914819052. The cubic root of 18361152 is about 263.8152978043.

The spelling of 18361152 in words is "eighteen million, three hundred sixty-one thousand, one hundred fifty-two".