4165895866 has 16 divisors (see below), whose sum is σ = 7217916480. Its totient is φ = 1782201280.

The previous prime is 4165895821. The next prime is 4165895927. The reversal of 4165895866 is 6685985614.

It is a self number, because there is not a number n which added to its sum of digits gives 4165895866.

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 7 ways as a sum of consecutive naturals, for example, 5569006 + ... + 5569753.

It is an arithmetic number, because the mean of its divisors is an integer number (451119780).

Almost surely, 2^4165895866 is an apocalyptic number.

4165895866 is a deficient number, since it is larger than the sum of its proper divisors (3052020614).

4165895866 is a wasteful number, since it uses less digits than its factorization.

4165895866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138789.

The product of its digits is 12441600, while the sum is 58.

The square root of 4165895866 is about 64543.7515643459. The cubic root of 4165895866 is about 1609.0497415752.

The spelling of 4165895866 in words is "four billion, one hundred sixty-five million, eight hundred ninety-five thousand, eight hundred sixty-six".