4136565668 has 12 divisors (see below), whose sum is σ = 7244667612. Its totient is φ = 2066660640.

The previous prime is 4136565661. The next prime is 4136565691. The reversal of 4136565668 is 8665656314.

It can be written as a sum of positive squares in 2 ways, for example, as 2168578624 + 1967987044 = 46568^2 + 44362^2 .

It is a super-2 number, since 2×4136565668² = 34222351051352572448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4136565661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399803 + ... + 410018.

It is an arithmetic number, because the mean of its divisors is an integer number (603722301).

Almost surely, 2^4136565668 is an apocalyptic number.

It is an amenable number.

4136565668 is a deficient number, since it is larger than the sum of its proper divisors (3108101944).

4136565668 is a wasteful number, since it uses less digits than its factorization.

4136565668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811102 (or 811100 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The square root of 4136565668 is about 64316.1384723928. The cubic root of 4136565668 is about 1605.2646462088.

The spelling of 4136565668 in words is "four billion, one hundred thirty-six million, five hundred sixty-five thousand, six hundred sixty-eight".