6611776656 has 40 divisors (see below), whose sum is σ = 17084960064. Its totient is φ = 2203340160.

The previous prime is 6611776651. The next prime is 6611776657. The reversal of 6611776656 is 6566771166.

It is a junction number, because it is equal to n+sod(n) for n = 6611776599 and 6611776608.

It is not an unprimeable number, because it can be changed into a prime (6611776651) 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, 188365 + ... + 220691.

Almost surely, 2^6611776656 is an apocalyptic number.

It is an amenable number.

6611776656 is an abundant number, since it is smaller than the sum of its proper divisors (10473183408).

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

6611776656 is a wasteful number, since it uses less digits than its factorization.

6611776656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599 (or 36593 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 6611776656 is about 81312.8320500522. The cubic root of 6611776656 is about 1876.8924684932.

The spelling of 6611776656 in words is "six billion, six hundred eleven million, seven hundred seventy-six thousand, six hundred fifty-six".