3580520165 has 16 divisors (see below), whose sum is σ = 4333348800. Its totient is φ = 2839973760.

The previous prime is 3580520143. The next prime is 3580520179. The reversal of 3580520165 is 5610250853.

3580520165 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 3580520165 - 2⁸ = 3580519909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083686 + ... + 1086984.

It is an arithmetic number, because the mean of its divisors is an integer number (270834300).

Almost surely, 2^3580520165 is an apocalyptic number.

It is an amenable number.

3580520165 is a deficient number, since it is larger than the sum of its proper divisors (752828635).

3580520165 is a wasteful number, since it uses less digits than its factorization.

3580520165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 3580520165 is about 59837.4478483165. The cubic root of 3580520165 is about 1529.8494967796.

The spelling of 3580520165 in words is "three billion, five hundred eighty million, five hundred twenty thousand, one hundred sixty-five".