61104166171 has 4 divisors (see below), whose sum is σ = 63760869072. Its totient is φ = 58447463272.

The previous prime is 61104166163. The next prime is 61104166181. The reversal of 61104166171 is 17166140116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61104166171 - 2³ = 61104166163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61104166141) 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 3 ways as a sum of consecutive naturals, for example, 1328351416 + ... + 1328351461.

It is an arithmetic number, because the mean of its divisors is an integer number (15940217268).

Almost surely, 2^61104166171 is an apocalyptic number.

61104166171 is a deficient number, since it is larger than the sum of its proper divisors (2656702901).

61104166171 is a wasteful number, since it uses less digits than its factorization.

61104166171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656702900.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 61104166171 in words is "sixty-one billion, one hundred four million, one hundred sixty-six thousand, one hundred seventy-one".