6166661116 has 96 divisors (see below), whose sum is σ = 13613548032. Its totient is φ = 2374410240.

The previous prime is 6166661113. The next prime is 6166661117. The reversal of 6166661116 is 6111666616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6166661113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13493560 + ... + 13494016.

It is an arithmetic number, because the mean of its divisors is an integer number (141807792).

Almost surely, 2^6166661116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6166661116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6806774016).

6166661116 is an abundant number, since it is smaller than the sum of its proper divisors (7446886916).

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

6166661116 is a wasteful number, since it uses less digits than its factorization.

6166661116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 897 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 6166661116 is about 78528.0912540220. The cubic root of 6166661116 is about 1833.7918050147.

The spelling of 6166661116 in words is "six billion, one hundred sixty-six million, six hundred sixty-one thousand, one hundred sixteen".