89170161 has 8 divisors (see below), whose sum is σ = 119143680. Its totient is φ = 59321712.

The previous prime is 89170073. The next prime is 89170177. The reversal of 89170161 is 16107198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89170161 - 2⁹ = 89169649 is a prime.

It is a super-2 number, since 2×89170161² = 15902635225531842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89170561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29590 + ... + 32463.

It is an arithmetic number, because the mean of its divisors is an integer number (14892960).

Almost surely, 2^89170161 is an apocalyptic number.

It is an amenable number.

89170161 is a deficient number, since it is larger than the sum of its proper divisors (29973519).

89170161 is a wasteful number, since it uses less digits than its factorization.

89170161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62535.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 89170161 is about 9442.9953404627. The cubic root of 89170161 is about 446.7588697927.

The spelling of 89170161 in words is "eighty-nine million, one hundred seventy thousand, one hundred sixty-one".