3165445613 has 16 divisors (see below), whose sum is σ = 3586282560. Its totient is φ = 2767564800.

The previous prime is 3165445607. The next prime is 3165445627.

3165445613 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3165445613 - 2⁴ = 3165445597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165445603) 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, 62678 + ... + 101288.

It is an arithmetic number, because the mean of its divisors is an integer number (224142660).

Almost surely, 2^3165445613 is an apocalyptic number.

It is an amenable number.

3165445613 is a deficient number, since it is larger than the sum of its proper divisors (420836947).

3165445613 is a wasteful number, since it uses less digits than its factorization.

3165445613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38908.

The product of its digits is 129600, while the sum is 38.

The square root of 3165445613 is about 56262.2929945092. The cubic root of 3165445613 is about 1468.2892485214.

The spelling of 3165445613 in words is "three billion, one hundred sixty-five million, four hundred forty-five thousand, six hundred thirteen".