3666776663 has 16 divisors (see below), whose sum is σ = 4104000000. Its totient is φ = 3247870080.

The previous prime is 3666776653. The next prime is 3666776669.

3666776663 is nontrivially palindromic in base 10.

3666776663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3666776663 - 2¹⁰ = 3666775639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3666776599 and 3666776608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666776669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48338 + ... + 98336.

It is an arithmetic number, because the mean of its divisors is an integer number (256500000).

Almost surely, 2^3666776663 is an apocalyptic number.

3666776663 is a deficient number, since it is larger than the sum of its proper divisors (437223337).

3666776663 is a wasteful number, since it uses less digits than its factorization.

3666776663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50182.

The product of its digits is 20575296, while the sum is 56.

The square root of 3666776663 is about 60553.9153399679. The cubic root of 3666776663 is about 1542.0370892761.

The spelling of 3666776663 in words is "three billion, six hundred sixty-six million, seven hundred seventy-six thousand, six hundred sixty-three".