663118494 has 16 divisors (see below), whose sum is σ = 1326953232. Its totient is φ = 220920128.

The previous prime is 663118493. The next prime is 663118501. The reversal of 663118494 is 494811366.

663118494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×663118494² = 879452274169656072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663118493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17409 + ... + 40364.

It is an arithmetic number, because the mean of its divisors is an integer number (82934577).

Almost surely, 2^663118494 is an apocalyptic number.

663118494 is an abundant number, since it is smaller than the sum of its proper divisors (663834738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663118494 is a wasteful number, since it uses less digits than its factorization.

663118494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59691.

The product of its digits is 124416, while the sum is 42.

The square root of 663118494 is about 25751.0872391827. The cubic root of 663118494 is about 872.0278999224.

The spelling of 663118494 in words is "six hundred sixty-three million, one hundred eighteen thousand, four hundred ninety-four".