169308946 has 16 divisors (see below), whose sum is σ = 259762176. Its totient is φ = 82727136.

The previous prime is 169308913. The next prime is 169308991. The reversal of 169308946 is 649803961.

169308946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 169308896 and 169308905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101350 + ... + 103006.

It is an arithmetic number, because the mean of its divisors is an integer number (16235136).

Almost surely, 2^169308946 is an apocalyptic number.

169308946 is a deficient number, since it is larger than the sum of its proper divisors (90453230).

169308946 is a wasteful number, since it uses less digits than its factorization.

169308946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 169308946 is about 13011.8771128535. The cubic root of 169308946 is about 553.2141782267.

The spelling of 169308946 in words is "one hundred sixty-nine million, three hundred eight thousand, nine hundred forty-six".