2164775415 has 32 divisors (see below), whose sum is σ = 3900413952. Its totient is φ = 1015728000.

The previous prime is 2164775413. The next prime is 2164775449. The reversal of 2164775415 is 5145774612.

It is not a de Polignac number, because 2164775415 - 2¹ = 2164775413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164775413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206496 + ... + 216725.

It is an arithmetic number, because the mean of its divisors is an integer number (121887936).

Almost surely, 2^2164775415 is an apocalyptic number.

2164775415 is a deficient number, since it is larger than the sum of its proper divisors (1735638537).

2164775415 is a wasteful number, since it uses less digits than its factorization.

2164775415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423271.

The product of its digits is 235200, while the sum is 42.

The square root of 2164775415 is about 46527.1470756590. The cubic root of 2164775415 is about 1293.6127350460.

The spelling of 2164775415 in words is "two billion, one hundred sixty-four million, seven hundred seventy-five thousand, four hundred fifteen".