169683913 has 6 divisors (see below), whose sum is σ = 197387466. Its totient is φ = 145443312.

The previous prime is 169683911. The next prime is 169683947. The reversal of 169683913 is 319386961.

169683913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 169338169 + 345744 = 13013^2 + 588^2 .

It is not a de Polignac number, because 169683913 - 2¹ = 169683911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169683911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1731420 + ... + 1731517.

It is an arithmetic number, because the mean of its divisors is an integer number (32897911).

Almost surely, 2^169683913 is an apocalyptic number.

It is an amenable number.

169683913 is a deficient number, since it is larger than the sum of its proper divisors (27703553).

169683913 is an equidigital number, since it uses as much as digits as its factorization.

169683913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462951 (or 3462944 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 169683913 is about 13026.2777876107. The cubic root of 169683913 is about 553.6222765926.

The spelling of 169683913 in words is "one hundred sixty-nine million, six hundred eighty-three thousand, nine hundred thirteen".