18048667 has 8 divisors (see below), whose sum is σ = 22213856. Its totient is φ = 14280192.

The previous prime is 18048649. The next prime is 18048683. The reversal of 18048667 is 76684081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18048667 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (18048467) by changing a digit.

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, 99078 + ... + 99259.

It is an arithmetic number, because the mean of its divisors is an integer number (2776732).

Almost surely, 2^18048667 is an apocalyptic number.

18048667 is a deficient number, since it is larger than the sum of its proper divisors (4165189).

18048667 is a wasteful number, since it uses less digits than its factorization.

18048667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198357.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 18048667 is about 4248.3722765313. The cubic root of 18048667 is about 262.3101187658.

The spelling of 18048667 in words is "eighteen million, forty-eight thousand, six hundred sixty-seven".