3265208165 has 16 divisors (see below), whose sum is σ = 4065450480. Its totient is φ = 2514570240.

The previous prime is 3265208129. The next prime is 3265208209. The reversal of 3265208165 is 5618025623.

It is a Cunningham number, because it is equal to 57142²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 452072644 + 2813135521 = 21262^2 + 53039^2 .

It is not a de Polignac number, because 3265208165 - 2⁶ = 3265208101 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, 15455 + ... + 82275.

It is an arithmetic number, because the mean of its divisors is an integer number (254090655).

Almost surely, 2^3265208165 is an apocalyptic number.

It is an amenable number.

3265208165 is a deficient number, since it is larger than the sum of its proper divisors (800242315).

3265208165 is a wasteful number, since it uses less digits than its factorization.

3265208165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67192.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 3265208165 is about 57142.0000087501. Note that the first 5 decimals coincide. The cubic root of 3265208165 is about 1483.5549078030.

The spelling of 3265208165 in words is "three billion, two hundred sixty-five million, two hundred eight thousand, one hundred sixty-five".