3660380775 has 36 divisors (see below), whose sum is σ = 6616341160. Its totient is φ = 1934280000.

The previous prime is 3660380749. The next prime is 3660380791. The reversal of 3660380775 is 5770830663.

3660380775 is a `hidden beast` number, since 36 + 603 + 8 + 0 + 7 + 7 + 5 = 666.

It is not a de Polignac number, because 3660380775 - 2¹¹ = 3660378727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3660380775.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 50101 + ... + 99150.

Almost surely, 2^3660380775 is an apocalyptic number.

3660380775 is a deficient number, since it is larger than the sum of its proper divisors (2955960385).

3660380775 is a wasteful number, since it uses less digits than its factorization.

3660380775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149376 (or 149368 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 3660380775 is about 60501.0807754704. The cubic root of 3660380775 is about 1541.1399855960.

The spelling of 3660380775 in words is "three billion, six hundred sixty million, three hundred eighty thousand, seven hundred seventy-five".