2164245604 has 12 divisors (see below), whose sum is σ = 3794874300. Its totient is φ = 1079995808.

The previous prime is 2164245533. The next prime is 2164245623. The reversal of 2164245604 is 4065424612.

It can be written as a sum of positive squares in 2 ways, for example, as 967085604 + 1197160000 = 31098^2 + 34600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2164245604.

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, 529459 + ... + 533530.

It is an arithmetic number, because the mean of its divisors is an integer number (316239525).

Almost surely, 2^2164245604 is an apocalyptic number.

It is an amenable number.

2164245604 is a deficient number, since it is larger than the sum of its proper divisors (1630628696).

2164245604 is a wasteful number, since it uses less digits than its factorization.

2164245604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063502 (or 1063500 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 2164245604 is about 46521.4531587310. The cubic root of 2164245604 is about 1293.5071927385.

The spelling of 2164245604 in words is "two billion, one hundred sixty-four million, two hundred forty-five thousand, six hundred four".