3866041066 has 16 divisors (see below), whose sum is σ = 6067021824. Its totient is φ = 1844140144.

The previous prime is 3866041019. The next prime is 3866041073. The reversal of 3866041066 is 6601406683.

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 7 ways as a sum of consecutive naturals, for example, 92101 + ... + 127336.

It is an arithmetic number, because the mean of its divisors is an integer number (379188864).

Almost surely, 2^3866041066 is an apocalyptic number.

3866041066 is a deficient number, since it is larger than the sum of its proper divisors (2200980758).

3866041066 is a wasteful number, since it uses less digits than its factorization.

3866041066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219845.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3866041066 is about 62177.4964597321. The cubic root of 3866041066 is about 1569.4789223732.

The spelling of 3866041066 in words is "three billion, eight hundred sixty-six million, forty-one thousand, sixty-six".