112170417161 has 48 divisors (see below), whose sum is σ = 133062580224. Its totient is φ = 94140288000.

The previous prime is 112170417113. The next prime is 112170417169. The reversal of 112170417161 is 161714071211.

It is not a de Polignac number, because 112170417161 - 2¹⁸ = 112170155017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112170417169) 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 47 ways as a sum of consecutive naturals, for example, 28678796 + ... + 28682706.

It is an arithmetic number, because the mean of its divisors is an integer number (2772137088).

Almost surely, 2^112170417161 is an apocalyptic number.

112170417161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112170417161 is a deficient number, since it is larger than the sum of its proper divisors (20892163063).

112170417161 is a wasteful number, since it uses less digits than its factorization.

112170417161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214 (or 4203 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 32.

Adding to 112170417161 its reverse (161714071211), we get a palindrome (273884488372).

The spelling of 112170417161 in words is "one hundred twelve billion, one hundred seventy million, four hundred seventeen thousand, one hundred sixty-one".