169342573 has 12 divisors (see below), whose sum is σ = 179446428. Its totient is φ = 159782400.

The previous prime is 169342541. The next prime is 169342577. The reversal of 169342573 is 375243961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165945924 + 3396649 = 12882^2 + 1843^2 .

It is not a de Polignac number, because 169342573 - 2⁵ = 169342541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169342577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104973 + ... + 106573.

It is an arithmetic number, because the mean of its divisors is an integer number (14953869).

Almost surely, 2^169342573 is an apocalyptic number.

It is an amenable number.

169342573 is a deficient number, since it is larger than the sum of its proper divisors (10103855).

169342573 is a wasteful number, since it uses less digits than its factorization.

169342573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1913 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 169342573 is about 13013.1692142998. The cubic root of 169342573 is about 553.2508010242.

The spelling of 169342573 in words is "one hundred sixty-nine million, three hundred forty-two thousand, five hundred seventy-three".