65882165 has 4 divisors (see below), whose sum is σ = 79058604. Its totient is φ = 52705728.

The previous prime is 65882153. The next prime is 65882183. The reversal of 65882165 is 56128856.

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 8334769 + 57547396 = 2887^2 + 7586^2 .

It is a cyclic number.

It is not a de Polignac number, because 65882165 - 2¹⁴ = 65865781 is a prime.

It is a Duffinian number.

It is a congruent 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, 6588212 + ... + 6588221.

It is an arithmetic number, because the mean of its divisors is an integer number (19764651).

Almost surely, 2^65882165 is an apocalyptic number.

It is an amenable number.

65882165 is a deficient number, since it is larger than the sum of its proper divisors (13176439).

65882165 is a wasteful number, since it uses less digits than its factorization.

65882165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13176438.

The product of its digits is 115200, while the sum is 41.

The square root of 65882165 is about 8116.7829218232. The cubic root of 65882165 is about 403.8833539824.

The spelling of 65882165 in words is "sixty-five million, eight hundred eighty-two thousand, one hundred sixty-five".