2165335612 has 12 divisors (see below), whose sum is σ = 4133822616. Its totient is φ = 984243440.

The previous prime is 2165335609. The next prime is 2165335619.

2165335612 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165335619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24606043 + ... + 24606130.

It is an arithmetic number, because the mean of its divisors is an integer number (344485218).

Almost surely, 2^2165335612 is an apocalyptic number.

2165335612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2165335612 is a deficient number, since it is larger than the sum of its proper divisors (1968487004).

2165335612 is a wasteful number, since it uses less digits than its factorization.

2165335612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49212188 (or 49212186 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2165335612 is about 46533.1667953085. The cubic root of 2165335612 is about 1293.7243117431.

The spelling of 2165335612 in words is "two billion, one hundred sixty-five million, three hundred thirty-five thousand, six hundred twelve".