16549066675488 has 96 divisors (see below), whose sum is σ = 44490503800512. Its totient is φ = 5384503987200.

The previous prime is 16549066675397. The next prime is 16549066675511. The reversal of 16549066675488 is 88457666094561.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10019131 + ... + 11553402.

It is an arithmetic number, because the mean of its divisors is an integer number (463442747922).

Almost surely, 2^{16549066675488} is an apocalyptic number.

It is an amenable number.

16549066675488 is an abundant number, since it is smaller than the sum of its proper divisors (27941437125024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16549066675488 is a wasteful number, since it uses less digits than its factorization.

16549066675488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21572738 (or 21572730 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 75.

The spelling of 16549066675488 in words is "sixteen trillion, five hundred forty-nine billion, sixty-six million, six hundred seventy-five thousand, four hundred eighty-eight".