18270063 has 16 divisors (see below), whose sum is σ = 30933760. Its totient is φ = 10439928.

The previous prime is 18270061. The next prime is 18270079. The reversal of 18270063 is 36007281.

It is not a de Polignac number, because 18270063 - 2¹ = 18270061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18270061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48145 + ... + 48522.

It is an arithmetic number, because the mean of its divisors is an integer number (1933360).

Almost surely, 2^18270063 is an apocalyptic number.

18270063 is a deficient number, since it is larger than the sum of its proper divisors (12663697).

18270063 is an equidigital number, since it uses as much as digits as its factorization.

18270063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96683 (or 96677 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 18270063 is about 4274.3494241814. The cubic root of 18270063 is about 263.3783150562.

The spelling of 18270063 in words is "eighteen million, two hundred seventy thousand, sixty-three".