6166666126641 has 8 divisors (see below), whose sum is σ = 8705881590624. Its totient is φ = 3869280706880.

The previous prime is 6166666126609. The next prime is 6166666126669. The reversal of 6166666126641 is 1466216666616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6166666126641 - 2⁵ = 6166666126609 is a prime.

It is a super-2 number, since 2×6166666126641² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6166666126601) 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 7 ways as a sum of consecutive naturals, for example, 60457510995 + ... + 60457511096.

It is an arithmetic number, because the mean of its divisors is an integer number (1088235198828).

Almost surely, 2^{6166666126641} is an apocalyptic number.

It is an amenable number.

6166666126641 is a deficient number, since it is larger than the sum of its proper divisors (2539215463983).

6166666126641 is a wasteful number, since it uses less digits than its factorization.

6166666126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120915022111.

The product of its digits is 13436928, while the sum is 57.

The spelling of 6166666126641 in words is "six trillion, one hundred sixty-six billion, six hundred sixty-six million, one hundred twenty-six thousand, six hundred forty-one".