169193349 has 12 divisors (see below), whose sum is σ = 263189836. Its totient is φ = 104118912.

The previous prime is 169193329. The next prime is 169193351. The reversal of 169193349 is 943391961.

169193349 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 2 ways, for example, as 17164449 + 152028900 = 4143^2 + 12330^2 .

It is a de Polignac number, because none of the positive numbers 2^k-169193349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169193329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722932 + ... + 723165.

Almost surely, 2^169193349 is an apocalyptic number.

It is an amenable number.

169193349 is a deficient number, since it is larger than the sum of its proper divisors (93996487).

169193349 is a wasteful number, since it uses less digits than its factorization.

169193349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446116 (or 1446113 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 169193349 is about 13007.4343742338. The cubic root of 169193349 is about 553.0882458006.

The spelling of 169193349 in words is "one hundred sixty-nine million, one hundred ninety-three thousand, three hundred forty-nine".