17842061161 has 4 divisors (see below), whose sum is σ = 17854816000. Its totient is φ = 17829306324.

The previous prime is 17842061117. The next prime is 17842061177. The reversal of 17842061161 is 16116024871.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16116024871 = 17 ⋅948001463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17842061161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17842061161.

It is not an unprimeable number, because it can be changed into a prime (17842061261) 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, 6375321 + ... + 6378118.

It is an arithmetic number, because the mean of its divisors is an integer number (4463704000).

Almost surely, 2^17842061161 is an apocalyptic number.

It is an amenable number.

17842061161 is a deficient number, since it is larger than the sum of its proper divisors (12754839).

17842061161 is a wasteful number, since it uses less digits than its factorization.

17842061161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12754838.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 17842061161 in words is "seventeen billion, eight hundred forty-two million, sixty-one thousand, one hundred sixty-one".