18667125 has 32 divisors (see below), whose sum is σ = 34519680. Its totient is φ = 9954000.

The previous prime is 18667087. The next prime is 18667133. The reversal of 18667125 is 52176681.

It is not a de Polignac number, because 18667125 - 2⁷ = 18666997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18667125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (1078740).

Almost surely, 2^18667125 is an apocalyptic number.

18667125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18667125 is a deficient number, since it is larger than the sum of its proper divisors (15852555).

18667125 is an equidigital number, since it uses as much as digits as its factorization.

18667125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5539 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 18667125 is about 4320.5468403895. The cubic root of 18667125 is about 265.2726516212.

The spelling of 18667125 in words is "eighteen million, six hundred sixty-seven thousand, one hundred twenty-five".