6166556116 has 18 divisors (see below), whose sum is σ = 12553346778. Its totient is φ = 2642809680.

The previous prime is 6166556101. The next prime is 6166556119. The reversal of 6166556116 is 6116556616.

It can be written as a sum of positive squares in only one way, i.e., 4727112516 + 1439443600 = 68754^2 + 37940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6166556119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15730815 + ... + 15731206.

Almost surely, 2^6166556116 is an apocalyptic number.

It is an amenable number.

6166556116 is an abundant number, since it is smaller than the sum of its proper divisors (6386790662).

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

6166556116 is a wasteful number, since it uses less digits than its factorization.

6166556116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462039 (or 31462030 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 6166556116 is about 78527.4227006082. The cubic root of 6166556116 is about 1833.7813969387.

The spelling of 6166556116 in words is "six billion, one hundred sixty-six million, five hundred fifty-six thousand, one hundred sixteen".