16954134256799 has 32 divisors (see below), whose sum is σ = 17970753528000. Its totient is φ = 15950416333824.

The previous prime is 16954134256789. The next prime is 16954134256831. The reversal of 16954134256799 is 99765243145961.

It is a cyclic number.

It is not a de Polignac number, because 16954134256799 - 2¹⁶ = 16954134191263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16954134256789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2678798267 + ... + 2678804595.

It is an arithmetic number, because the mean of its divisors is an integer number (561586047750).

Almost surely, 2^{16954134256799} is an apocalyptic number.

16954134256799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16954134256799 is a deficient number, since it is larger than the sum of its proper divisors (1016619271201).

16954134256799 is a wasteful number, since it uses less digits than its factorization.

16954134256799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267.

The product of its digits is 440899200, while the sum is 71.

The spelling of 16954134256799 in words is "sixteen trillion, nine hundred fifty-four billion, one hundred thirty-four million, two hundred fifty-six thousand, seven hundred ninety-nine".