3660380857 has 16 divisors (see below), whose sum is σ = 4436923392. Its totient is φ = 2947875840.

The previous prime is 3660380833. The next prime is 3660380861. The reversal of 3660380857 is 7580830663.

It is not a de Polignac number, because 3660380857 - 2⁷ = 3660380729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660380887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44632 + ... + 96502.

It is an arithmetic number, because the mean of its divisors is an integer number (277307712).

Almost surely, 2^3660380857 is an apocalyptic number.

It is an amenable number.

3660380857 is a deficient number, since it is larger than the sum of its proper divisors (776542535).

3660380857 is a wasteful number, since it uses less digits than its factorization.

3660380857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52488.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 3660380857 is about 60501.0814531443. The cubic root of 3660380857 is about 1541.1399971042.

The spelling of 3660380857 in words is "three billion, six hundred sixty million, three hundred eighty thousand, eight hundred fifty-seven".