18667114 has 4 divisors (see below), whose sum is σ = 28000674. Its totient is φ = 9333556.

The previous prime is 18667087. The next prime is 18667133. The reversal of 18667114 is 41176681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18636489 + 30625 = 4317^2 + 175^2 .

It is a super-2 number, since 2×18667114² = 696922290177992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18667114.

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 as a sum of consecutive naturals, namely, 4666777 + ... + 4666780.

Almost surely, 2^18667114 is an apocalyptic number.

18667114 is a deficient number, since it is larger than the sum of its proper divisors (9333560).

18667114 is an equidigital number, since it uses as much as digits as its factorization.

18667114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333559.

The product of its digits is 8064, while the sum is 34.

The square root of 18667114 is about 4320.5455674023. The cubic root of 18667114 is about 265.2725995154.

It can be divided in two parts, 18667 and 114, that added together give a palindrome (18781).

The spelling of 18667114 in words is "eighteen million, six hundred sixty-seven thousand, one hundred fourteen".