2605167772 has 48 divisors (see below), whose sum is σ = 4829267520. Its totient is φ = 1227207168.

The previous prime is 2605167731. The next prime is 2605167781. The reversal of 2605167772 is 2777615062.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3053698 + ... + 3054550.

It is an arithmetic number, because the mean of its divisors is an integer number (100609740).

Almost surely, 2^2605167772 is an apocalyptic number.

It is an amenable number.

2605167772 is a deficient number, since it is larger than the sum of its proper divisors (2224099748).

2605167772 is a wasteful number, since it uses less digits than its factorization.

2605167772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 2605167772 is about 51040.8441544612. The cubic root of 2605167772 is about 1375.9792952255.

The spelling of 2605167772 in words is "two billion, six hundred five million, one hundred sixty-seven thousand, seven hundred seventy-two".