16453543446 has 40 divisors (see below), whose sum is σ = 38057431104. Its totient is φ = 5307593040.

The previous prime is 16453543399. The next prime is 16453543489. The reversal of 16453543446 is 64434535461.

16453543446 is a `hidden beast` number, since 1 + 64 + 5 + 3 + 543 + 4 + 46 = 666.

16453543446 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 an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1633125 + ... + 1643168.

Almost surely, 2^16453543446 is an apocalyptic number.

16453543446 is an abundant number, since it is smaller than the sum of its proper divisors (21603887658).

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

16453543446 is a wasteful number, since it uses less digits than its factorization.

16453543446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276338 (or 3276329 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 16453543446 in words is "sixteen billion, four hundred fifty-three million, five hundred forty-three thousand, four hundred forty-six".