16547545045567 has 16 divisors (see below), whose sum is σ = 16615708716672. Its totient is φ = 16479540231840.

The previous prime is 16547545045541. The next prime is 16547545045631. The reversal of 16547545045567 is 76554054574561.

It is a cyclic number.

It is not a de Polignac number, because 16547545045567 - 2¹⁵ = 16547545012799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16547545045499 and 16547545045508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16547545040567) 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, 1022265648 + ... + 1022281834.

It is an arithmetic number, because the mean of its divisors is an integer number (1038481794792).

Almost surely, 2^{16547545045567} is an apocalyptic number.

16547545045567 is a deficient number, since it is larger than the sum of its proper divisors (68163671105).

16547545045567 is a wasteful number, since it uses less digits than its factorization.

16547545045567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838.

The product of its (nonzero) digits is 352800000, while the sum is 64.

The spelling of 16547545045567 in words is "sixteen trillion, five hundred forty-seven billion, five hundred forty-five million, forty-five thousand, five hundred sixty-seven".