16840464255 has 12 divisors (see below), whose sum is σ = 29190138120. Its totient is φ = 8981580912.

The previous prime is 16840464217. The next prime is 16840464257. The reversal of 16840464255 is 55246404861.

It is a happy number.

16840464255 is a `hidden beast` number, since 168 + 4 + 0 + 464 + 25 + 5 = 666.

It is not a de Polignac number, because 16840464255 - 2⁸ = 16840463999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 374232539 = 16840464255 / (1 + 6 + 8 + 4 + 0 + 4 + 6 + 4 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 16840464255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16840464257) 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 11 ways as a sum of consecutive naturals, for example, 187116225 + ... + 187116314.

It is an arithmetic number, because the mean of its divisors is an integer number (2432511510).

Almost surely, 2^16840464255 is an apocalyptic number.

16840464255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16840464255 is a deficient number, since it is larger than the sum of its proper divisors (12349673865).

16840464255 is a wasteful number, since it uses less digits than its factorization.

16840464255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374232550 (or 374232547 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 16840464255 in words is "sixteen billion, eight hundred forty million, four hundred sixty-four thousand, two hundred fifty-five".