18077163 has 16 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 11085984.

The previous prime is 18077159. The next prime is 18077173. The reversal of 18077163 is 36177081.

It is not a de Polignac number, because 18077163 - 2² = 18077159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18077173) 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, 14170 + ... + 15392.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^18077163 is an apocalyptic number.

18077163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18077163 is a deficient number, since it is larger than the sum of its proper divisors (7969557).

18077163 is a wasteful number, since it uses less digits than its factorization.

18077163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 18077163 is about 4251.7247088682. The cubic root of 18077163 is about 262.4480949527.

The spelling of 18077163 in words is "eighteen million, seventy-seven thousand, one hundred sixty-three".