168240201 has 4 divisors (see below), whose sum is σ = 224320272. Its totient is φ = 112160132.

The previous prime is 168240199. The next prime is 168240227. The reversal of 168240201 is 102042861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168240201 - 2¹ = 168240199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168240271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28040031 + ... + 28040036.

It is an arithmetic number, because the mean of its divisors is an integer number (56080068).

Almost surely, 2^168240201 is an apocalyptic number.

It is an amenable number.

168240201 is a deficient number, since it is larger than the sum of its proper divisors (56080071).

168240201 is an equidigital number, since it uses as much as digits as its factorization.

168240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56080070.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 168240201 is about 12970.7440418813. The cubic root of 168240201 is about 552.0476847853.

The spelling of 168240201 in words is "one hundred sixty-eight million, two hundred forty thousand, two hundred one".