663118 has 8 divisors (see below), whose sum is σ = 999648. Its totient is φ = 329904.

The previous prime is 663097. The next prime is 663127. The reversal of 663118 is 811366.

663118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 663092 and 663101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246 + ... + 1177.

It is an arithmetic number, because the mean of its divisors is an integer number (124956).

2⁶⁶³¹¹⁸ is an apocalyptic number.

663118 is a deficient number, since it is larger than the sum of its proper divisors (336530).

663118 is a wasteful number, since it uses less digits than its factorization.

663118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658.

The product of its digits is 864, while the sum is 25.

The square root of 663118 is about 814.3205756949. The cubic root of 663118 is about 87.2027683379.

The spelling of 663118 in words is "six hundred sixty-three thousand, one hundred eighteen".