1568768880 has 160 divisors (see below), whose sum is σ = 5578642944. Its totient is φ = 357239808.

The previous prime is 1568768879. The next prime is 1568768917. The reversal of 1568768880 is 888678651.

It is a super-2 number, since 2×1568768880² = 4922071597712908800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1568768880.

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 31 ways as a sum of consecutive naturals, for example, 490647 + ... + 493833.

Almost surely, 2^1568768880 is an apocalyptic number.

1568768880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1568768880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789321472).

1568768880 is an abundant number, since it is smaller than the sum of its proper divisors (4009874064).

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

1568768880 is a wasteful number, since it uses less digits than its factorization.

1568768880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The square root of 1568768880 is about 39607.6871326767. The cubic root of 1568768880 is about 1161.9470076546.

The spelling of 1568768880 in words is "one billion, five hundred sixty-eight million, seven hundred sixty-eight thousand, eight hundred eighty".