3666130644 has 48 divisors (see below), whose sum is σ = 9584197056. Its totient is φ = 1080921600.

The previous prime is 3666130639. The next prime is 3666130669. The reversal of 3666130644 is 4460316663.

3666130644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370437 + ... + 380204.

It is an arithmetic number, because the mean of its divisors is an integer number (199670772).

Almost surely, 2^3666130644 is an apocalyptic number.

It is an amenable number.

3666130644 is an abundant number, since it is smaller than the sum of its proper divisors (5918066412).

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

3666130644 is a wasteful number, since it uses less digits than its factorization.

3666130644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750696 (or 750694 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 3666130644 is about 60548.5808586791. The cubic root of 3666130644 is about 1541.9465243777.

The spelling of 3666130644 in words is "three billion, six hundred sixty-six million, one hundred thirty thousand, six hundred forty-four".