168352601 has 4 divisors (see below), whose sum is σ = 172458804. Its totient is φ = 164246400.

The previous prime is 168352579. The next prime is 168352609. The reversal of 168352601 is 106253861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66846976 + 101505625 = 8176^2 + 10075^2 .

It is a cyclic number.

It is not a de Polignac number, because 168352601 - 2¹⁰ = 168351577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168352609) 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 3 ways as a sum of consecutive naturals, for example, 2053040 + ... + 2053121.

It is an arithmetic number, because the mean of its divisors is an integer number (43114701).

Almost surely, 2^168352601 is an apocalyptic number.

It is an amenable number.

168352601 is a deficient number, since it is larger than the sum of its proper divisors (4106203).

168352601 is an equidigital number, since it uses as much as digits as its factorization.

168352601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106202.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 168352601 is about 12975.0761462120. The cubic root of 168352601 is about 552.1705970383.

The spelling of 168352601 in words is "one hundred sixty-eight million, three hundred fifty-two thousand, six hundred one".