6776161872 has 20 divisors (see below), whose sum is σ = 17505084960. Its totient is φ = 2258720608.

The previous prime is 6776161853. The next prime is 6776161913. The reversal of 6776161872 is 2781616776.

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 3 ways as a sum of consecutive naturals, for example, 70584972 + ... + 70585067.

It is an arithmetic number, because the mean of its divisors is an integer number (875254248).

Almost surely, 2^6776161872 is an apocalyptic number.

It is an amenable number.

6776161872 is an abundant number, since it is smaller than the sum of its proper divisors (10728923088).

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

6776161872 is a wasteful number, since it uses less digits than its factorization.

6776161872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141170050 (or 141170044 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 6776161872 is about 82317.4457329672. The cubic root of 6776161872 is about 1892.3200488991.

The spelling of 6776161872 in words is "six billion, seven hundred seventy-six million, one hundred sixty-one thousand, eight hundred seventy-two".