6551116506 has 48 divisors (see below), whose sum is σ = 15696607680. Its totient is φ = 1957988160.

The previous prime is 6551116499. The next prime is 6551116529. The reversal of 6551116506 is 6056111556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212166 + ... + 241073.

It is an arithmetic number, because the mean of its divisors is an integer number (327012660).

Almost surely, 2^6551116506 is an apocalyptic number.

6551116506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6551116506 is an abundant number, since it is smaller than the sum of its proper divisors (9145491174).

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

6551116506 is a wasteful number, since it uses less digits than its factorization.

6551116506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453331 (or 453328 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 6551116506 is about 80938.9677843744. The cubic root of 6551116506 is about 1871.1349365061.

The spelling of 6551116506 in words is "six billion, five hundred fifty-one million, one hundred sixteen thousand, five hundred six".