16551533000 has 32 divisors (see below), whose sum is σ = 38730589560. Its totient is φ = 6620612800.

The previous prime is 16551532967. The next prime is 16551533021. The reversal of 16551533000 is 33515561.

16551533000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4048267876 + 12503265124 = 63626^2 + 111818^2 .

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 7 ways as a sum of consecutive naturals, for example, 8274767 + ... + 8276766.

Almost surely, 2^16551533000 is an apocalyptic number.

16551533000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16551533000 is an abundant number, since it is smaller than the sum of its proper divisors (22179056560).

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

16551533000 is a wasteful number, since it uses less digits than its factorization.

16551533000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16551554 (or 16551540 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 16551533000 in words is "sixteen billion, five hundred fifty-one million, five hundred thirty-three thousand".