18206983051089 has 32 divisors (see below), whose sum is σ = 28951230173184. Its totient is φ = 9951300448320.

The previous prime is 18206983051079. The next prime is 18206983051097. The reversal of 18206983051089 is 98015038960281.

It is not a de Polignac number, because 18206983051089 - 2¹⁶ = 18206982985553 is a prime.

It is a super-2 number, since 2×18206983051089² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18206983051009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13731172 + ... + 14998634.

It is an arithmetic number, because the mean of its divisors is an integer number (904725942912).

Almost surely, 2^{18206983051089} is an apocalyptic number.

It is an amenable number.

18206983051089 is a deficient number, since it is larger than the sum of its proper divisors (10744247122095).

18206983051089 is a wasteful number, since it uses less digits than its factorization.

18206983051089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297237.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 18206983051089 in words is "eighteen trillion, two hundred six billion, nine hundred eighty-three million, fifty-one thousand, eighty-nine".