16256533355 has 8 divisors (see below), whose sum is σ = 19512138912. Its totient is φ = 13002360768.

The previous prime is 16256533313. The next prime is 16256533417. The reversal of 16256533355 is 55333565261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16256533355 - 2⁶ = 16256533291 is a prime.

It is a Duffinian 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, 333122 + ... + 378791.

It is an arithmetic number, because the mean of its divisors is an integer number (2439017364).

Almost surely, 2^16256533355 is an apocalyptic number.

16256533355 is a deficient number, since it is larger than the sum of its proper divisors (3255605557).

16256533355 is an equidigital number, since it uses as much as digits as its factorization.

16256533355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716485.

The product of its digits is 1215000, while the sum is 44.

The spelling of 16256533355 in words is "sixteen billion, two hundred fifty-six million, five hundred thirty-three thousand, three hundred fifty-five".