16205340063 has 16 divisors (see below), whose sum is σ = 23855400576. Its totient is φ = 9703086240.

The previous prime is 16205340061. The next prime is 16205340089. The reversal of 16205340063 is 36004350261.

It is not a de Polignac number, because 16205340063 - 2¹ = 16205340061 is a prime.

It is a super-3 number, since 3×16205340063³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16205340063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205340061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2955520 + ... + 2960997.

It is an arithmetic number, because the mean of its divisors is an integer number (1490962536).

Almost surely, 2^16205340063 is an apocalyptic number.

16205340063 is a deficient number, since it is larger than the sum of its proper divisors (7650060513).

16205340063 is a wasteful number, since it uses less digits than its factorization.

16205340063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916614.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 16205340063 in words is "sixteen billion, two hundred five million, three hundred forty thousand, sixty-three".