169673143396 has 9 divisors (see below), whose sum is σ = 296929442649. Its totient is φ = 84836159784.

The previous prime is 169673143331. The next prime is 169673143403. The reversal of 169673143396 is 693341376961.

The square root of 169673143396 is 411914.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 155622360100 + 14050783296 = 394490^2 + 118536^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169673143396.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 720850 + ... + 926806.

Almost surely, 2^169673143396 is an apocalyptic number.

169673143396 is the 411914-th square number.

It is an amenable number.

169673143396 is a deficient number, since it is larger than the sum of its proper divisors (127256299253).

169673143396 is an frugal number, since it uses more digits than its factorization.

169673143396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411918 (or 205959 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 58.

The spelling of 169673143396 in words is "one hundred sixty-nine billion, six hundred seventy-three million, one hundred forty-three thousand, three hundred ninety-six".