3986834166 has 48 divisors (see below), whose sum is σ = 9875673600. Its totient is φ = 1138690224.

The previous prime is 3986834153. The next prime is 3986834171. The reversal of 3986834166 is 6614386893.

3986834166 is a `hidden beast` number, since 398 + 68 + 34 + 166 = 666.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 679875 + ... + 685713.

It is an arithmetic number, because the mean of its divisors is an integer number (205743200).

Almost surely, 2^3986834166 is an apocalyptic number.

3986834166 is an abundant number, since it is smaller than the sum of its proper divisors (5888839434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3986834166 is a wasteful number, since it uses less digits than its factorization.

3986834166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273 (or 11270 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 3986834166 is about 63141.3823573732. The cubic root of 3986834166 is about 1585.6575160796.

The spelling of 3986834166 in words is "three billion, nine hundred eighty-six million, eight hundred thirty-four thousand, one hundred sixty-six".