169430885 has 16 divisors (see below), whose sum is σ = 230482560. Its totient is φ = 118532160.

The previous prime is 169430861. The next prime is 169430887. The reversal of 169430885 is 588034961.

169430885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 169430885 - 2²⁶ = 102322021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169430887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67361 + ... + 69830.

It is an arithmetic number, because the mean of its divisors is an integer number (14405160).

Almost surely, 2^169430885 is an apocalyptic number.

It is an amenable number.

169430885 is a deficient number, since it is larger than the sum of its proper divisors (61051675).

169430885 is a wasteful number, since it uses less digits than its factorization.

169430885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137228.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 169430885 is about 13016.5619500696. The cubic root of 169430885 is about 553.3469575765.

The spelling of 169430885 in words is "one hundred sixty-nine million, four hundred thirty thousand, eight hundred eighty-five".