3165665613 has 8 divisors (see below), whose sum is σ = 4604604576. Its totient is φ = 1918585200.

The previous prime is 3165665611. The next prime is 3165665617.

3165665613 is nontrivially palindromic in base 10.

3165665613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3165665613 - 2¹ = 3165665611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165665611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47964598 + ... + 47964663.

It is an arithmetic number, because the mean of its divisors is an integer number (575575572).

Almost surely, 2^3165665613 is an apocalyptic number.

3165665613 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3165665613 is a deficient number, since it is larger than the sum of its proper divisors (1438938963).

3165665613 is a wasteful number, since it uses less digits than its factorization.

3165665613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95929275.

The product of its digits is 291600, while the sum is 42.

The square root of 3165665613 is about 56264.2480888175. The cubic root of 3165665613 is about 1468.3232633375.

The spelling of 3165665613 in words is "three billion, one hundred sixty-five million, six hundred sixty-five thousand, six hundred thirteen".