18302668 has 12 divisors (see below), whose sum is σ = 32116840. Its totient is φ = 9126432.

The previous prime is 18302663. The next prime is 18302677. The reversal of 18302668 is 86620381.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18302663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521 + ... + 7552.

Almost surely, 2^18302668 is an apocalyptic number.

It is an amenable number.

18302668 is a deficient number, since it is larger than the sum of its proper divisors (13814172).

18302668 is a wasteful number, since it uses less digits than its factorization.

18302668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456 (or 12454 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 18302668 is about 4278.1617547727. The cubic root of 18302668 is about 263.5348981068.

The spelling of 18302668 in words is "eighteen million, three hundred two thousand, six hundred sixty-eight".