16546520517 has 8 divisors (see below), whose sum is σ = 22822787040. Its totient is φ = 10650633840.

The previous prime is 16546520513. The next prime is 16546520539. The reversal of 16546520517 is 71502564561.

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

It is not a de Polignac number, because 16546520517 - 2² = 16546520513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16546520513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95094859 + ... + 95095032.

It is an arithmetic number, because the mean of its divisors is an integer number (2852848380).

Almost surely, 2^16546520517 is an apocalyptic number.

It is an amenable number.

16546520517 is a deficient number, since it is larger than the sum of its proper divisors (6276266523).

16546520517 is a wasteful number, since it uses less digits than its factorization.

16546520517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190189923.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 16546520517 in words is "sixteen billion, five hundred forty-six million, five hundred twenty thousand, five hundred seventeen".