18146163 has 8 divisors (see below), whose sum is σ = 27651328. Its totient is φ = 10369224.

The previous prime is 18146147. The next prime is 18146173. The reversal of 18146163 is 36164181.

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

It is not a de Polignac number, because 18146163 - 2⁴ = 18146147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18146163.

It is not an unprimeable number, because it can be changed into a prime (18146173) 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, 432031 + ... + 432072.

It is an arithmetic number, because the mean of its divisors is an integer number (3456416).

Almost surely, 2^18146163 is an apocalyptic number.

18146163 is a deficient number, since it is larger than the sum of its proper divisors (9505165).

18146163 is an equidigital number, since it uses as much as digits as its factorization.

18146163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864113.

The product of its digits is 3456, while the sum is 30.

The square root of 18146163 is about 4259.8313346892. The cubic root of 18146163 is about 262.7815898874.

The spelling of 18146163 in words is "eighteen million, one hundred forty-six thousand, one hundred sixty-three".