2605174816 has 24 divisors (see below), whose sum is σ = 5398883280. Its totient is φ = 1234029888.

The previous prime is 2605174801. The next prime is 2605174829. The reversal of 2605174816 is 6184715062.

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 3 ways as a sum of consecutive naturals, for example, 2141806 + ... + 2143021.

It is an arithmetic number, because the mean of its divisors is an integer number (224953470).

Almost surely, 2^2605174816 is an apocalyptic number.

It is an amenable number.

2605174816 is an abundant number, since it is smaller than the sum of its proper divisors (2793708464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605174816 is a wasteful number, since it uses less digits than its factorization.

2605174816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284856 (or 4284848 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2605174816 is about 51040.9131579755. The cubic root of 2605174816 is about 1375.9805353746.

Adding to 2605174816 its reverse (6184715062), we get a palindrome (8789889878).

The spelling of 2605174816 in words is "two billion, six hundred five million, one hundred seventy-four thousand, eight hundred sixteen".