18068628 has 24 divisors (see below), whose sum is σ = 42296800. Its totient is φ = 6003360.

The previous prime is 18068621. The next prime is 18068647. The reversal of 18068628 is 82686081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18068621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 6246.

Almost surely, 2^18068628 is an apocalyptic number.

It is an amenable number.

18068628 is an abundant number, since it is smaller than the sum of its proper divisors (24228172).

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

18068628 is a wasteful number, since it uses less digits than its factorization.

18068628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 18068628 is about 4250.7208800391. The cubic root of 18068628 is about 262.4067841358.

The spelling of 18068628 in words is "eighteen million, sixty-eight thousand, six hundred twenty-eight".