3871011165 has 16 divisors (see below), whose sum is σ = 7078420608. Its totient is φ = 1769605056.

The previous prime is 3871011161. The next prime is 3871011169. The reversal of 3871011165 is 5611101783.

It is an interprime number because it is at equal distance from previous prime (3871011161) and next prime (3871011169).

It is not a de Polignac number, because 3871011165 - 2² = 3871011161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871011161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18433282 + ... + 18433491.

It is an arithmetic number, because the mean of its divisors is an integer number (442401288).

Almost surely, 2^3871011165 is an apocalyptic number.

3871011165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3871011165 is a deficient number, since it is larger than the sum of its proper divisors (3207409443).

3871011165 is a wasteful number, since it uses less digits than its factorization.

3871011165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866788.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 3871011165 is about 62217.4506469045. The cubic root of 3871011165 is about 1570.1511971173.

The spelling of 3871011165 in words is "three billion, eight hundred seventy-one million, eleven thousand, one hundred sixty-five".