6611556016 has 20 divisors (see below), whose sum is σ = 13795266352. Its totient is φ = 3051487296.

The previous prime is 6611555963. The next prime is 6611556019. The reversal of 6611556016 is 6106551166.

It is not an unprimeable number, because it can be changed into a prime (6611556019) by changing a digit.

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, 15892956 + ... + 15893371.

Almost surely, 2^6611556016 is an apocalyptic number.

It is an amenable number.

6611556016 is an abundant number, since it is smaller than the sum of its proper divisors (7183710336).

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

6611556016 is a wasteful number, since it uses less digits than its factorization.

6611556016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31786348 (or 31786342 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6611556016 is about 81311.4753033051. The cubic root of 6611556016 is about 1876.8715904860.

The spelling of 6611556016 in words is "six billion, six hundred eleven million, five hundred fifty-six thousand, sixteen".