18201838201 has 16 divisors (see below), whose sum is σ = 19306529280. Its totient is φ = 17129975040.

The previous prime is 18201838199. The next prime is 18201838211. The reversal of 18201838201 is 10283810281.

It is not a de Polignac number, because 18201838201 - 2¹ = 18201838199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18201838211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4194705 + ... + 4199041.

It is an arithmetic number, because the mean of its divisors is an integer number (1206658080).

Almost surely, 2^18201838201 is an apocalyptic number.

It is an amenable number.

18201838201 is a deficient number, since it is larger than the sum of its proper divisors (1104691079).

18201838201 is a wasteful number, since it uses less digits than its factorization.

18201838201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064.

The product of its (nonzero) digits is 6144, while the sum is 34.

The spelling of 18201838201 in words is "eighteen billion, two hundred one million, eight hundred thirty-eight thousand, two hundred one".