4045166565 has 32 divisors (see below), whose sum is σ = 7126672896. Its totient is φ = 1942954560.

The previous prime is 4045166549. The next prime is 4045166569. The reversal of 4045166565 is 5656615404.

It is not a de Polignac number, because 4045166565 - 2⁴ = 4045166549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045166569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96907 + ... + 132216.

It is an arithmetic number, because the mean of its divisors is an integer number (222708528).

Almost surely, 2^4045166565 is an apocalyptic number.

It is an amenable number.

4045166565 is a deficient number, since it is larger than the sum of its proper divisors (3081506331).

4045166565 is a wasteful number, since it uses less digits than its factorization.

4045166565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229249.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 4045166565 is about 63601.6239179473. The cubic root of 4045166565 is about 1593.3534913340.

The spelling of 4045166565 in words is "four billion, forty-five million, one hundred sixty-six thousand, five hundred sixty-five".