1568472768 has 224 divisors, whose sum is σ = 4937760000. Its totient is φ = 486494208.

The previous prime is 1568472749. The next prime is 1568472791. The reversal of 1568472768 is 8672748651.

1568472768 is a `hidden beast` number, since 1 + 568 + 4 + 7 + 2 + 76 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3142983 + ... + 3143481.

Almost surely, 2^1568472768 is an apocalyptic number.

1568472768 is a gapful number since it is divisible by the number (18) 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 1568472768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468880000).

1568472768 is an abundant number, since it is smaller than the sum of its proper divisors (3369287232).

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

1568472768 is a wasteful number, since it uses less digits than its factorization.

1568472768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 628 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 1568472768 is about 39603.9488940181. The cubic root of 1568472768 is about 1161.8738955247.

The spelling of 1568472768 in words is "one billion, five hundred sixty-eight million, four hundred seventy-two thousand, seven hundred sixty-eight".