3666632587 has 2 divisors, whose sum is σ = 3666632588. Its totient is φ = 3666632586.

The previous prime is 3666632581. The next prime is 3666632611. The reversal of 3666632587 is 7852366663.

3666632587 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7852366663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666632587 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666632581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833316293 + 1833316294.

It is an arithmetic number, because the mean of its divisors is an integer number (1833316294).

Almost surely, 2^3666632587 is an apocalyptic number.

3666632587 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666632587 is an equidigital number, since it uses as much as digits as its factorization.

3666632587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 52.

The square root of 3666632587 is about 60552.7256777100. The cubic root of 3666632587 is about 1542.0168922960.

The spelling of 3666632587 in words is "three billion, six hundred sixty-six million, six hundred thirty-two thousand, five hundred eighty-seven".