16557286072 has 16 divisors (see below), whose sum is σ = 31630665240. Its totient is φ = 8122442016.

The previous prime is 16557286003. The next prime is 16557286073. The reversal of 16557286072 is 27068275561.

It is a happy number.

16557286072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16557286073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19524678 + ... + 19525525.

Almost surely, 2^16557286072 is an apocalyptic number.

It is an amenable number.

16557286072 is a deficient number, since it is larger than the sum of its proper divisors (15073379168).

16557286072 is a wasteful number, since it uses less digits than its factorization.

16557286072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39050262 (or 39050258 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 16557286072 in words is "sixteen billion, five hundred fifty-seven million, two hundred eighty-six thousand, seventy-two".