16255640361 has 16 divisors (see below), whose sum is σ = 22838604800. Its totient is φ = 10256068368.

The previous prime is 16255640339. The next prime is 16255640381. The reversal of 16255640361 is 16304655261.

16255640361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16255640361 - 2¹⁵ = 16255607593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16255640381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92341 + ... + 202578.

It is an arithmetic number, because the mean of its divisors is an integer number (1427412800).

Almost surely, 2^16255640361 is an apocalyptic number.

It is an amenable number.

16255640361 is a deficient number, since it is larger than the sum of its proper divisors (6582964439).

16255640361 is a wasteful number, since it uses less digits than its factorization.

16255640361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295908.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 16255640361 in words is "sixteen billion, two hundred fifty-five million, six hundred forty thousand, three hundred sixty-one".