3666130645 has 8 divisors (see below), whose sum is σ = 4401424440. Its totient is φ = 2931526080.

The previous prime is 3666130639. The next prime is 3666130669. The reversal of 3666130645 is 5460316663.

It can be written as a sum of positive squares in 4 ways, for example, as 800776804 + 2865353841 = 28298^2 + 53529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3666130645 - 2⁹ = 3666130133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3666130598 and 3666130607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 160530 + ... + 181939.

It is an arithmetic number, because the mean of its divisors is an integer number (550178055).

Almost surely, 2^3666130645 is an apocalyptic number.

It is an amenable number.

3666130645 is a deficient number, since it is larger than the sum of its proper divisors (735293795).

3666130645 is a wasteful number, since it uses less digits than its factorization.

3666130645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344615.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 3666130645 is about 60548.5808669369. The cubic root of 3666130645 is about 1541.9465245179.

The spelling of 3666130645 in words is "three billion, six hundred sixty-six million, one hundred thirty thousand, six hundred forty-five".