3665166436 has 12 divisors (see below), whose sum is σ = 6439000428. Its totient is φ = 1825452032.

The previous prime is 3665166433. The next prime is 3665166451. The reversal of 3665166436 is 6346615663.

It can be written as a sum of positive squares in 2 ways, for example, as 3140481600 + 524684836 = 56040^2 + 22906^2 .

It is not an unprimeable number, because it can be changed into a prime (3665166433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781641 + ... + 1783696.

It is an arithmetic number, because the mean of its divisors is an integer number (536583369).

Almost surely, 2^3665166436 is an apocalyptic number.

It is an amenable number.

3665166436 is a deficient number, since it is larger than the sum of its proper divisors (2773833992).

3665166436 is a wasteful number, since it uses less digits than its factorization.

3665166436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565598 (or 3565596 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 46.

The square root of 3665166436 is about 60540.6180675421. The cubic root of 3665166436 is about 1541.8113330203.

The spelling of 3665166436 in words is "three billion, six hundred sixty-five million, one hundred sixty-six thousand, four hundred thirty-six".