104216166161 has 4 divisors (see below), whose sum is σ = 104225167332. Its totient is φ = 104207164992.

The previous prime is 104216166113. The next prime is 104216166169. The reversal of 104216166161 is 161661612401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161661612401 = 967 ⋅167178503.

It can be written as a sum of positive squares in 2 ways, for example, as 69155850625 + 35060315536 = 262975^2 + 187244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104216166161 is a prime.

It is a super-2 number, since 2×104216166161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104216166169) 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, 4483196 + ... + 4506381.

It is an arithmetic number, because the mean of its divisors is an integer number (26056291833).

Almost surely, 2^104216166161 is an apocalyptic number.

It is an amenable number.

104216166161 is a deficient number, since it is larger than the sum of its proper divisors (9001171).

104216166161 is an equidigital number, since it uses as much as digits as its factorization.

104216166161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9001170.

The product of its (nonzero) digits is 10368, while the sum is 35.

Adding to 104216166161 its reverse (161661612401), we get a palindrome (265877778562).

The spelling of 104216166161 in words is "one hundred four billion, two hundred sixteen million, one hundred sixty-six thousand, one hundred sixty-one".