18334016 has 14 divisors (see below), whose sum is σ = 36381690. Its totient is φ = 9166976.

The previous prime is 18334009. The next prime is 18334027. The reversal of 18334016 is 61043381.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 7311616 = 3320^2 + 2704^2 .

It is a super-2 number, since 2×18334016² = 672272285376512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143171 + ... + 143298.

Almost surely, 2^18334016 is an apocalyptic number.

18334016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18334016 is a deficient number, since it is larger than the sum of its proper divisors (18047674).

18334016 is an equidigital number, since it uses as much as digits as its factorization.

18334016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286481 (or 286471 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18334016 is about 4281.8239104382. The cubic root of 18334016 is about 263.6852692611.

Adding to 18334016 its reverse (61043381), we get a palindrome (79377397).

The spelling of 18334016 in words is "eighteen million, three hundred thirty-four thousand, sixteen".