3961682163 has 16 divisors (see below), whose sum is σ = 5871831840. Its totient is φ = 2639918592.

The previous prime is 3961682147. The next prime is 3961682183. The reversal of 3961682163 is 3612861693.

3961682163 is a `hidden beast` number, since 3 + 9 + 616 + 8 + 21 + 6 + 3 = 666.

It is not a de Polignac number, because 3961682163 - 2⁴ = 3961682147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3961682143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29095 + ... + 93647.

It is an arithmetic number, because the mean of its divisors is an integer number (366989490).

Almost surely, 2^3961682163 is an apocalyptic number.

3961682163 is a deficient number, since it is larger than the sum of its proper divisors (1910149677).

3961682163 is a wasteful number, since it uses less digits than its factorization.

3961682163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66835 (or 66829 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3961682163 is about 62941.8951335277. The cubic root of 3961682163 is about 1582.3159652118.

The spelling of 3961682163 in words is "three billion, nine hundred sixty-one million, six hundred eighty-two thousand, one hundred sixty-three".