168936573 has 16 divisors (see below), whose sum is σ = 243492480. Its totient is φ = 103568064.

The previous prime is 168936563. The next prime is 168936589. The reversal of 168936573 is 375639861.

It is a happy number.

It is not a de Polignac number, because 168936573 - 2⁴ = 168936557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168936503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2440 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (15218280).

Almost surely, 2^168936573 is an apocalyptic number.

168936573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168936573 is a deficient number, since it is larger than the sum of its proper divisors (74555907).

168936573 is a wasteful number, since it uses less digits than its factorization.

168936573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388.

The product of its digits is 816480, while the sum is 48.

The square root of 168936573 is about 12997.5602710663. The cubic root of 168936573 is about 552.8083063226.

The spelling of 168936573 in words is "one hundred sixty-eight million, nine hundred thirty-six thousand, five hundred seventy-three".