16993584410399 has 4 divisors (see below), whose sum is σ = 17026076924136. Its totient is φ = 16961091896664.

The previous prime is 16993584410377. The next prime is 16993584410449. The reversal of 16993584410399 is 99301448539961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16993584410399 - 2³⁶ = 16924864933663 is a prime.

It is a super-2 number, since 2×16993584410399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993524410399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16246256084 + ... + 16246257129.

It is an arithmetic number, because the mean of its divisors is an integer number (4256519231034).

Almost surely, 2^{16993584410399} is an apocalyptic number.

16993584410399 is a deficient number, since it is larger than the sum of its proper divisors (32492513737).

16993584410399 is an equidigital number, since it uses as much as digits as its factorization.

16993584410399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32492513736.

The product of its (nonzero) digits is 226748160, while the sum is 71.

The spelling of 16993584410399 in words is "sixteen trillion, nine hundred ninety-three billion, five hundred eighty-four million, four hundred ten thousand, three hundred ninety-nine".