18268068 has 48 divisors (see below), whose sum is σ = 52465280. Its totient is φ = 4817664.

The previous prime is 18268067. The next prime is 18268069. The reversal of 18268068 is 86086281.

It is an interprime number because it is at equal distance from previous prime (18268067) and next prime (18268069).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (18268067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7273 + ... + 9456.

Almost surely, 2^18268068 is an apocalyptic number.

It is an amenable number.

18268068 is an abundant number, since it is smaller than the sum of its proper divisors (34197212).

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

18268068 is a wasteful number, since it uses less digits than its factorization.

18268068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756 (or 16754 counting only the distinct ones).

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

The square root of 18268068 is about 4274.1160489626. The cubic root of 18268068 is about 263.3687281733.

The spelling of 18268068 in words is "eighteen million, two hundred sixty-eight thousand, sixty-eight".