2168550201 has 4 divisors (see below), whose sum is σ = 2891400272. Its totient is φ = 1445700132.

The previous prime is 2168550187. The next prime is 2168550211. The reversal of 2168550201 is 1020558612.

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 not a de Polignac number, because 2168550201 - 2¹¹ = 2168548153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168550211) 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, 361425031 + ... + 361425036.

It is an arithmetic number, because the mean of its divisors is an integer number (722850068).

Almost surely, 2^2168550201 is an apocalyptic number.

It is an amenable number.

2168550201 is a deficient number, since it is larger than the sum of its proper divisors (722850071).

2168550201 is an equidigital number, since it uses as much as digits as its factorization.

2168550201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722850070.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 2168550201 is about 46567.6948216250. The cubic root of 2168550201 is about 1294.3642026389.

The spelling of 2168550201 in words is "two billion, one hundred sixty-eight million, five hundred fifty thousand, two hundred one".