16545054217547 has 8 divisors (see below), whose sum is σ = 16675468740096. Its totient is φ = 16414641859392.

The previous prime is 16545054217493. The next prime is 16545054217561. The reversal of 16545054217547 is 74571245054561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16545054217547 - 2¹² = 16545054213451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16545054217492 and 16545054217501.

It is not an unprimeable number, because it can be changed into a prime (16545054210547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17053073 + ... + 17997149.

It is an arithmetic number, because the mean of its divisors is an integer number (2084433592512).

Almost surely, 2^{16545054217547} is an apocalyptic number.

16545054217547 is a deficient number, since it is larger than the sum of its proper divisors (130414522549).

16545054217547 is a wasteful number, since it uses less digits than its factorization.

16545054217547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082197.

The product of its (nonzero) digits is 23520000, while the sum is 56.

The spelling of 16545054217547 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, two hundred seventeen thousand, five hundred forty-seven".