3681105668 has 24 divisors (see below), whose sum is σ = 6510400512. Its totient is φ = 1821070944.

The previous prime is 3681105661. The next prime is 3681105697. The reversal of 3681105668 is 8665011863.

3681105668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3681105661) 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, 179771 + ... + 199197.

It is an arithmetic number, because the mean of its divisors is an integer number (271266688).

Almost surely, 2^3681105668 is an apocalyptic number.

It is an amenable number.

3681105668 is a deficient number, since it is larger than the sum of its proper divisors (2829294844).

3681105668 is a wasteful number, since it uses less digits than its factorization.

3681105668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931 (or 19929 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 3681105668 is about 60672.1160666084. The cubic root of 3681105668 is about 1544.0431325033.

The spelling of 3681105668 in words is "three billion, six hundred eighty-one million, one hundred five thousand, six hundred sixty-eight".