169299089 has 4 divisors (see below), whose sum is σ = 170313024. Its totient is φ = 168285156.

The previous prime is 169299083. The next prime is 169299121. The reversal of 169299089 is 980992961.

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.

It is a cyclic number.

It is not a de Polignac number, because 169299089 - 2¹⁶ = 169233553 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 169299089.

It is not an unprimeable number, because it can be changed into a prime (169299083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506717 + ... + 507050.

It is an arithmetic number, because the mean of its divisors is an integer number (42578256).

Almost surely, 2^169299089 is an apocalyptic number.

It is an amenable number.

169299089 is a deficient number, since it is larger than the sum of its proper divisors (1013935).

169299089 is a wasteful number, since it uses less digits than its factorization.

169299089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013934.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 169299089 is about 13011.4983380086. The cubic root of 169299089 is about 553.2034421569.

The spelling of 169299089 in words is "one hundred sixty-nine million, two hundred ninety-nine thousand, eighty-nine".