3165654665 has 4 divisors (see below), whose sum is σ = 3798785604. Its totient is φ = 2532523728.

The previous prime is 3165654641. The next prime is 3165654673. The reversal of 3165654665 is 5664565613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542289984 + 1623364681 = 39272^2 + 40291^2 .

It is a cyclic number.

It is not a de Polignac number, because 3165654665 - 2³⁰ = 2091912841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316565462 + ... + 316565471.

It is an arithmetic number, because the mean of its divisors is an integer number (949696401).

Almost surely, 2^3165654665 is an apocalyptic number.

It is an amenable number.

3165654665 is a deficient number, since it is larger than the sum of its proper divisors (633130939).

3165654665 is an equidigital number, since it uses as much as digits as its factorization.

3165654665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633130938.

The product of its digits is 1944000, while the sum is 47.

The square root of 3165654665 is about 56264.1507978215. The cubic root of 3165654665 is about 1468.3215706738.

The spelling of 3165654665 in words is "three billion, one hundred sixty-five million, six hundred fifty-four thousand, six hundred sixty-five".