6166241661 has 16 divisors (see below), whose sum is σ = 8287760000. Its totient is φ = 4077900288.

The previous prime is 6166241659. The next prime is 6166241663. The reversal of 6166241661 is 1661426616.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6166241659) and next prime (6166241663).

It is not a de Polignac number, because 6166241661 - 2¹ = 6166241659 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6166241663) 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 15 ways as a sum of consecutive naturals, for example, 185865 + ... + 216513.

It is an arithmetic number, because the mean of its divisors is an integer number (517985000).

Almost surely, 2^6166241661 is an apocalyptic number.

It is an amenable number.

6166241661 is a deficient number, since it is larger than the sum of its proper divisors (2121518339).

6166241661 is a wasteful number, since it uses less digits than its factorization.

6166241661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31188.

The product of its digits is 62208, while the sum is 39.

The square root of 6166241661 is about 78525.4204764292. The cubic root of 6166241661 is about 1833.7502260269.

The spelling of 6166241661 in words is "six billion, one hundred sixty-six million, two hundred forty-one thousand, six hundred sixty-one".