6776653634544 has 40 divisors (see below), whose sum is σ = 18110022647760. Its totient is φ = 2180991973888.

The previous prime is 6776653634539. The next prime is 6776653634599. The reversal of 6776653634544 is 4454363566776.

It is a super-2 number, since 2×6776653634544² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434141437 + ... + 2434144220.

It is an arithmetic number, because the mean of its divisors is an integer number (452750566194).

Almost surely, 2^{6776653634544} is an apocalyptic number.

It is an amenable number.

6776653634544 is an abundant number, since it is smaller than the sum of its proper divisors (11333369013216).

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

6776653634544 is a wasteful number, since it uses less digits than its factorization.

6776653634544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868285697 (or 4868285691 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 66.

The spelling of 6776653634544 in words is "six trillion, seven hundred seventy-six billion, six hundred fifty-three million, six hundred thirty-four thousand, five hundred forty-four".