16545060405547 has 4 divisors (see below), whose sum is σ = 16619253501760. Its totient is φ = 16470867309336.

The previous prime is 16545060405529. The next prime is 16545060405551. The reversal of 16545060405547 is 74550406054561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545060405547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16545060405494 and 16545060405503.

It is not an unprimeable number, because it can be changed into a prime (16545060445547) 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, 37096547772 + ... + 37096548217.

It is an arithmetic number, because the mean of its divisors is an integer number (4154813375440).

Almost surely, 2^{16545060405547} is an apocalyptic number.

16545060405547 is a deficient number, since it is larger than the sum of its proper divisors (74193096213).

16545060405547 is an equidigital number, since it uses as much as digits as its factorization.

16545060405547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74193096212.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 16545060405547 in words is "sixteen trillion, five hundred forty-five billion, sixty million, four hundred five thousand, five hundred forty-seven".