6806553768 has 160 divisors (see below), whose sum is σ = 22935211200. Its totient is φ = 1842352128.

The previous prime is 6806553751. The next prime is 6806553827. The reversal of 6806553768 is 8673556086.

6806553768 is a `hidden beast` number, since 6 + 80 + 6 + 553 + 7 + 6 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46696 + ... + 125672.

It is an arithmetic number, because the mean of its divisors is an integer number (143345070).

Almost surely, 2^6806553768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6806553768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11467605600).

6806553768 is an abundant number, since it is smaller than the sum of its proper divisors (16128657432).

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

6806553768 is a wasteful number, since it uses less digits than its factorization.

6806553768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79021 (or 79008 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 6806553768 is about 82501.8409976408. The cubic root of 6806553768 is about 1895.1449236727.

The spelling of 6806553768 in words is "six billion, eight hundred six million, five hundred fifty-three thousand, seven hundred sixty-eight".