2164608574 has 12 divisors (see below), whose sum is σ = 3272729184. Its totient is φ = 1073766204.

The previous prime is 2164608553. The next prime is 2164608587. The reversal of 2164608574 is 4758064612.

It is a self number, because there is not a number n which added to its sum of digits gives 2164608574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1294 + ... + 65809.

It is an arithmetic number, because the mean of its divisors is an integer number (272727432).

Almost surely, 2^2164608574 is an apocalyptic number.

2164608574 is a deficient number, since it is larger than the sum of its proper divisors (1108120610).

2164608574 is an equidigital number, since it uses as much as digits as its factorization.

2164608574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67359 (or 67232 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2164608574 is about 46525.3540985988. The cubic root of 2164608574 is about 1293.5795009307.

The spelling of 2164608574 in words is "two billion, one hundred sixty-four million, six hundred eight thousand, five hundred seventy-four".