18083368 has 8 divisors (see below), whose sum is σ = 33906330. Its totient is φ = 9041680.

The previous prime is 18083357. The next prime is 18083369. The reversal of 18083368 is 86338081.

It can be written as a sum of positive squares in only one way, i.e., 17994564 + 88804 = 4242^2 + 298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18083369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130203 + ... + 1130218.

Almost surely, 2^18083368 is an apocalyptic number.

It is an amenable number.

18083368 is a deficient number, since it is larger than the sum of its proper divisors (15822962).

18083368 is a wasteful number, since it uses less digits than its factorization.

18083368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260427 (or 2260423 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 18083368 is about 4252.4543501371. The cubic root of 18083368 is about 262.4781200206.

It can be divided in two parts, 180833 and 68, that added together give a triangular number (180901 = T₆₀₁).

The spelling of 18083368 in words is "eighteen million, eighty-three thousand, three hundred sixty-eight".