18266682 has 16 divisors (see below), whose sum is σ = 41752512. Its totient is φ = 5219040.

The previous prime is 18266671. The next prime is 18266693. The reversal of 18266682 is 28666281.

It is an interprime number because it is at equal distance from previous prime (18266671) and next prime (18266693).

It is a self number, because there is not a number n which added to its sum of digits gives 18266682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217419 + ... + 217502.

It is an arithmetic number, because the mean of its divisors is an integer number (2609532).

Almost surely, 2^18266682 is an apocalyptic number.

18266682 is an abundant number, since it is smaller than the sum of its proper divisors (23485830).

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

18266682 is a wasteful number, since it uses less digits than its factorization.

18266682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434933.

The product of its digits is 55296, while the sum is 39.

The square root of 18266682 is about 4273.9539070982. The cubic root of 18266682 is about 263.3620674016.

The spelling of 18266682 in words is "eighteen million, two hundred sixty-six thousand, six hundred eighty-two".