3668118663 has 32 divisors (see below), whose sum is σ = 5632508160. Its totient is φ = 2100003840.

The previous prime is 3668118661. The next prime is 3668118667.

3668118663 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3668118663 - 2¹ = 3668118661 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668118661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213045 + ... + 229617.

It is an arithmetic number, because the mean of its divisors is an integer number (176015880).

Almost surely, 2^3668118663 is an apocalyptic number.

3668118663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3668118663 is a deficient number, since it is larger than the sum of its proper divisors (1964389497).

3668118663 is a wasteful number, since it uses less digits than its factorization.

3668118663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959.

The product of its digits is 746496, while the sum is 48.

The square root of 3668118663 is about 60564.9953603565. The cubic root of 3668118663 is about 1542.2251892118.

The spelling of 3668118663 in words is "three billion, six hundred sixty-eight million, one hundred eighteen thousand, six hundred sixty-three".