4165894645 has 16 divisors (see below), whose sum is σ = 5514816960. Its totient is φ = 2995696000.

The previous prime is 4165894643. The next prime is 4165894657. The reversal of 4165894645 is 5464985614.

4165894645 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 4165894645 - 2¹ = 4165894643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4165894592 and 4165894601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4165894643) 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, 420631 + ... + 430420.

It is an arithmetic number, because the mean of its divisors is an integer number (344676060).

Almost surely, 2^4165894645 is an apocalyptic number.

It is an amenable number.

4165894645 is a deficient number, since it is larger than the sum of its proper divisors (1348922315).

4165894645 is a wasteful number, since it uses less digits than its factorization.

4165894645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851156.

The product of its digits is 4147200, while the sum is 52.

The square root of 4165894645 is about 64543.7421056449. The cubic root of 4165894645 is about 1609.0495843741.

The spelling of 4165894645 in words is "four billion, one hundred sixty-five million, eight hundred ninety-four thousand, six hundred forty-five".