169108089 has 8 divisors (see below), whose sum is σ = 225550560. Its totient is φ = 112702176.

The previous prime is 169108073. The next prime is 169108109. The reversal of 169108089 is 980801961.

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

It is not a de Polignac number, because 169108089 - 2⁴ = 169108073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 169108089.

It is not an unprimeable number, because it can be changed into a prime (169108789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614 + ... + 18960.

It is an arithmetic number, because the mean of its divisors is an integer number (28193820).

Almost surely, 2^169108089 is an apocalyptic number.

It is an amenable number.

169108089 is a deficient number, since it is larger than the sum of its proper divisors (56442471).

169108089 is a wasteful number, since it uses less digits than its factorization.

169108089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18279.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 169108089 is about 13004.1566047168. The cubic root of 169108089 is about 552.9953260191.

The spelling of 169108089 in words is "one hundred sixty-nine million, one hundred eight thousand, eighty-nine".