16699235317879 has 8 divisors (see below), whose sum is σ = 17896242785760. Its totient is φ = 15541473996576.

The previous prime is 16699235317819. The next prime is 16699235317889. The reversal of 16699235317879 is 97871353299661.

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 16699235317879 - 2⁹ = 16699235317367 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 (16699235317819) 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, 9811535764 + ... + 9811537465.

It is an arithmetic number, because the mean of its divisors is an integer number (2237030348220).

Almost surely, 2^{16699235317879} is an apocalyptic number.

16699235317879 is a deficient number, since it is larger than the sum of its proper divisors (1197007467881).

16699235317879 is a wasteful number, since it uses less digits than its factorization.

16699235317879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19623073289.

The product of its digits is 925888320, while the sum is 76.

The spelling of 16699235317879 in words is "sixteen trillion, six hundred ninety-nine billion, two hundred thirty-five million, three hundred seventeen thousand, eight hundred seventy-nine".