16993455411 has 8 divisors (see below), whose sum is σ = 23388841984. Its totient is φ = 10963519560.

The previous prime is 16993455397. The next prime is 16993455419. The reversal of 16993455411 is 11455439961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16993455411 - 2¹⁷ = 16993324339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16993455419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91362571 + ... + 91362756.

It is an arithmetic number, because the mean of its divisors is an integer number (2923605248).

Almost surely, 2^16993455411 is an apocalyptic number.

16993455411 is a deficient number, since it is larger than the sum of its proper divisors (6395386573).

16993455411 is a wasteful number, since it uses less digits than its factorization.

16993455411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182725361.

The product of its digits is 583200, while the sum is 48.

The spelling of 16993455411 in words is "sixteen billion, nine hundred ninety-three million, four hundred fifty-five thousand, four hundred eleven".