4165213866 has 32 divisors (see below), whose sum is σ = 9090620928. Its totient is φ = 1261785840.

The previous prime is 4165213823. The next prime is 4165213879. The reversal of 4165213866 is 6683125614.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250875 + ... + 266961.

It is an arithmetic number, because the mean of its divisors is an integer number (284081904).

Almost surely, 2^4165213866 is an apocalyptic number.

4165213866 is an abundant number, since it is smaller than the sum of its proper divisors (4925407062).

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

4165213866 is a wasteful number, since it uses less digits than its factorization.

4165213866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20026.

The product of its digits is 207360, while the sum is 42.

The square root of 4165213866 is about 64538.4681101124. The cubic root of 4165213866 is about 1608.9619307859.

The spelling of 4165213866 in words is "four billion, one hundred sixty-five million, two hundred thirteen thousand, eight hundred sixty-six".