6166136081 has 4 divisors (see below), whose sum is σ = 7047012672. Its totient is φ = 5285259492.

The previous prime is 6166136057. The next prime is 6166136089. The reversal of 6166136081 is 1806316616.

6166136081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6166136081 - 2¹⁸ = 6165873937 is a prime.

It is a super-3 number, since 3×6166136081³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6166136089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 440438285 + ... + 440438298.

It is an arithmetic number, because the mean of its divisors is an integer number (1761753168).

Almost surely, 2^6166136081 is an apocalyptic number.

It is an amenable number.

6166136081 is a deficient number, since it is larger than the sum of its proper divisors (880876591).

6166136081 is an equidigital number, since it uses as much as digits as its factorization.

6166136081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880876590.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 6166136081 is about 78524.7482071735. The cubic root of 6166136081 is about 1833.7397599837.

The spelling of 6166136081 in words is "six billion, one hundred sixty-six million, one hundred thirty-six thousand, eighty-one".