16878497731199 has 8 divisors (see below), whose sum is σ = 18178164990720. Its totient is φ = 15579019226016.

The previous prime is 16878497731181. The next prime is 16878497731201. The reversal of 16878497731199 is 99113779487861.

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

It is a cyclic number.

It is not a de Polignac number, because 16878497731199 - 2²⁸ = 16878229295743 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 (16878497731099) 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, 47002832 + ... + 47360565.

It is an arithmetic number, because the mean of its divisors is an integer number (2272270623840).

Almost surely, 2^{16878497731199} is an apocalyptic number.

16878497731199 is a deficient number, since it is larger than the sum of its proper divisors (1299667259521).

16878497731199 is a wasteful number, since it uses less digits than its factorization.

16878497731199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94377169.

The product of its digits is 1152216576, while the sum is 80.

The spelling of 16878497731199 in words is "sixteen trillion, eight hundred seventy-eight billion, four hundred ninety-seven million, seven hundred thirty-one thousand, one hundred ninety-nine".