18266360201 has 16 divisors (see below), whose sum is σ = 19297037760. Its totient is φ = 17242735680.

The previous prime is 18266360191. The next prime is 18266360227. The reversal of 18266360201 is 10206366281.

It is a cyclic number.

It is not a de Polignac number, because 18266360201 - 2¹⁸ = 18266098057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18266360701) 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 15 ways as a sum of consecutive naturals, for example, 9782870 + ... + 9784736.

It is an arithmetic number, because the mean of its divisors is an integer number (1206064860).

Almost surely, 2^18266360201 is an apocalyptic number.

It is an amenable number.

18266360201 is a deficient number, since it is larger than the sum of its proper divisors (1030677559).

18266360201 is a wasteful number, since it uses less digits than its factorization.

18266360201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 18266360201 in words is "eighteen billion, two hundred sixty-six million, three hundred sixty thousand, two hundred one".