1068927680 has 56 divisors (see below), whose sum is σ = 2558856960. Its totient is φ = 425308160.

The previous prime is 1068927679. The next prime is 1068927689. The reversal of 1068927680 is 867298601.

It is a super-2 number, since 2×1068927680² = 2285212770140364800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1068927689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52376 + ... + 69864.

Almost surely, 2^1068927680 is an apocalyptic number.

1068927680 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 1068927680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279428480).

1068927680 is an abundant number, since it is smaller than the sum of its proper divisors (1489929280).

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

1068927680 is a wasteful number, since it uses less digits than its factorization.

1068927680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17697 (or 17687 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1068927680 is about 32694.4594694575. The cubic root of 1068927680 is about 1022.4673319668.

The spelling of 1068927680 in words is "one billion, sixty-eight million, nine hundred twenty-seven thousand, six hundred eighty".