18968201 has 8 divisors (see below), whose sum is σ = 21750144. Its totient is φ = 16204320.

The previous prime is 18968197. The next prime is 18968207. The reversal of 18968201 is 10286981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18968201 - 2² = 18968197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18968207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (2718768).

Almost surely, 2^18968201 is an apocalyptic number.

It is an amenable number.

18968201 is a deficient number, since it is larger than the sum of its proper divisors (2781943).

18968201 is an equidigital number, since it uses as much as digits as its factorization.

18968201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 18968201 is about 4355.2498206188. The cubic root of 18968201 is about 266.6912177049.

The spelling of 18968201 in words is "eighteen million, nine hundred sixty-eight thousand, two hundred one".