2720163568 has 40 divisors (see below), whose sum is σ = 5313003696. Its totient is φ = 1349107200.

The previous prime is 2720163559. The next prime is 2720163569. The reversal of 2720163568 is 8653610272.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2720163568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720163569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1420980 + ... + 1422892.

Almost surely, 2^2720163568 is an apocalyptic number.

It is an amenable number.

2720163568 is a deficient number, since it is larger than the sum of its proper divisors (2592840128).

2720163568 is a wasteful number, since it uses less digits than its factorization.

2720163568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2720163568 is about 52155.1873546630. The cubic root of 2720163568 is about 1395.9343899017.

The spelling of 2720163568 in words is "two billion, seven hundred twenty million, one hundred sixty-three thousand, five hundred sixty-eight".