6164639871 has 12 divisors (see below), whose sum is σ = 8900427528. Its totient is φ = 3793624224.

The previous prime is 6164639869. The next prime is 6164639947. The reversal of 6164639871 is 1789364616.

It is a happy number.

6164639871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6164639871 - 2¹ = 6164639869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6164639071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6079020 + ... + 6080033.

It is an arithmetic number, because the mean of its divisors is an integer number (741702294).

Almost surely, 2^6164639871 is an apocalyptic number.

6164639871 is a deficient number, since it is larger than the sum of its proper divisors (2735787657).

6164639871 is a wasteful number, since it uses less digits than its factorization.

6164639871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159082 (or 12159069 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 6164639871 is about 78515.2206326901. The cubic root of 6164639871 is about 1833.5914292908.

The spelling of 6164639871 in words is "six billion, one hundred sixty-four million, six hundred thirty-nine thousand, eight hundred seventy-one".