3666556264 has 32 divisors (see below), whose sum is σ = 7873931520. Its totient is φ = 1567976256.

The previous prime is 3666556261. The next prime is 3666556297. The reversal of 3666556264 is 4626556663.

3666556264 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 (3666556261) 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, 44779 + ... + 96634.

It is an arithmetic number, because the mean of its divisors is an integer number (246060360).

Almost surely, 2^3666556264 is an apocalyptic number.

It is an amenable number.

3666556264 is an abundant number, since it is smaller than the sum of its proper divisors (4207375256).

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

3666556264 is a wasteful number, since it uses less digits than its factorization.

3666556264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141889 (or 141885 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 49.

The square root of 3666556264 is about 60552.0954550708. The cubic root of 3666556264 is about 1542.0061929082.

It can be divided in two parts, 36665 and 56264, that added together give a palindrome (92929).

The spelling of 3666556264 in words is "three billion, six hundred sixty-six million, five hundred fifty-six thousand, two hundred sixty-four".