16545717711233 has 4 divisors (see below), whose sum is σ = 16778755988928. Its totient is φ = 16312679433540.

The previous prime is 16545717711227. The next prime is 16545717711311. The reversal of 16545717711233 is 33211771754561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16545717711233 - 2¹² = 16545717707137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545717711433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116519138741 + ... + 116519138882.

It is an arithmetic number, because the mean of its divisors is an integer number (4194688997232).

Almost surely, 2^{16545717711233} is an apocalyptic number.

It is an amenable number.

16545717711233 is a deficient number, since it is larger than the sum of its proper divisors (233038277695).

16545717711233 is an equidigital number, since it uses as much as digits as its factorization.

16545717711233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233038277694.

The product of its digits is 3704400, while the sum is 53.

The spelling of 16545717711233 in words is "sixteen trillion, five hundred forty-five billion, seven hundred seventeen million, seven hundred eleven thousand, two hundred thirty-three".