16546447505272 has 32 divisors (see below), whose sum is σ = 31088235764880. Its totient is φ = 8256268500480.

The previous prime is 16546447505267. The next prime is 16546447505303. The reversal of 16546447505272 is 27250574464561.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6629503 + ... + 8777425.

Almost surely, 2^{16546447505272} is an apocalyptic number.

It is an amenable number.

16546447505272 is a deficient number, since it is larger than the sum of its proper divisors (14541788259608).

16546447505272 is a wasteful number, since it uses less digits than its factorization.

16546447505272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149903 (or 2149899 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 58.

The spelling of 16546447505272 in words is "sixteen trillion, five hundred forty-six billion, four hundred forty-seven million, five hundred five thousand, two hundred seventy-two".