16545060340323 has 4 divisors (see below), whose sum is σ = 22060080453768. Its totient is φ = 11030040226880.

The previous prime is 16545060340273. The next prime is 16545060340327. The reversal of 16545060340323 is 32304306054561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16545060340323 - 2²⁵ = 16545026785891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16545060340327) 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, 2757510056718 + ... + 2757510056723.

It is an arithmetic number, because the mean of its divisors is an integer number (5515020113442).

Almost surely, 2^{16545060340323} is an apocalyptic number.

16545060340323 is a deficient number, since it is larger than the sum of its proper divisors (5515020113445).

16545060340323 is an equidigital number, since it uses as much as digits as its factorization.

16545060340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515020113444.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 16545060340323 its reverse (32304306054561), we get a palindrome (48849366394884).

The spelling of 16545060340323 in words is "sixteen trillion, five hundred forty-five billion, sixty million, three hundred forty thousand, three hundred twenty-three".