16545198233 has 16 divisors (see below), whose sum is σ = 18063820800. Its totient is φ = 15094195200.

The previous prime is 16545198227. The next prime is 16545198239. The reversal of 16545198233 is 33289154561.

It is an interprime number because it is at equal distance from previous prime (16545198227) and next prime (16545198239).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545198233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16545198239) 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, 171833 + ... + 250233.

It is an arithmetic number, because the mean of its divisors is an integer number (1128988800).

Almost surely, 2^16545198233 is an apocalyptic number.

It is an amenable number.

16545198233 is a deficient number, since it is larger than the sum of its proper divisors (1518622567).

16545198233 is a wasteful number, since it uses less digits than its factorization.

16545198233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78832.

The product of its digits is 777600, while the sum is 47.

The spelling of 16545198233 in words is "sixteen billion, five hundred forty-five million, one hundred ninety-eight thousand, two hundred thirty-three".