3668501868 has 12 divisors (see below), whose sum is σ = 8559837720. Its totient is φ = 1222833952.

The previous prime is 3668501867. The next prime is 3668501873. The reversal of 3668501868 is 8681058663.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-5 number, since 5×3668501868⁵ (a number of 49 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3668501868.

It is not an unprimeable number, because it can be changed into a prime (3668501867) 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 3 ways as a sum of consecutive naturals, for example, 152854233 + ... + 152854256.

It is an arithmetic number, because the mean of its divisors is an integer number (713319810).

Almost surely, 2^3668501868 is an apocalyptic number.

It is an amenable number.

3668501868 is an abundant number, since it is smaller than the sum of its proper divisors (4891335852).

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

3668501868 is a wasteful number, since it uses less digits than its factorization.

3668501868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305708496 (or 305708494 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 3668501868 is about 60568.1588625575. The cubic root of 3668501868 is about 1542.2788922932.

The spelling of 3668501868 in words is "three billion, six hundred sixty-eight million, five hundred one thousand, eight hundred sixty-eight".