16001056055 has 12 divisors (see below), whose sum is σ = 20265051672. Its totient is φ = 12127114800.

The previous prime is 16001056033. The next prime is 16001056061. The reversal of 16001056055 is 55065010061.

It is not a de Polignac number, because 16001056055 - 2¹⁶ = 16000990519 is a prime.

It is a super-3 number, since 3×16001056055³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4430621 + ... + 4434230.

It is an arithmetic number, because the mean of its divisors is an integer number (1688754306).

Almost surely, 2^16001056055 is an apocalyptic number.

16001056055 is a deficient number, since it is larger than the sum of its proper divisors (4263995617).

16001056055 is an equidigital number, since it uses as much as digits as its factorization.

16001056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864894 (or 8864875 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 16001056055 in words is "sixteen billion, one million, fifty-six thousand, fifty-five".