16699235317881 has 8 divisors (see below), whose sum is σ = 22302694758624. Its totient is φ = 11114299711200.

The previous prime is 16699235317819. The next prime is 16699235317889. The reversal of 16699235317881 is 18871353299661.

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

It is not a de Polignac number, because 16699235317881 - 2³³ = 16690645383289 is a prime.

It is a super-2 number, since 2×16699235317881² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16699235317889) 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, 4630956411 + ... + 4630960016.

It is an arithmetic number, because the mean of its divisors is an integer number (2787836844828).

Almost surely, 2^{16699235317881} is an apocalyptic number.

It is an amenable number.

16699235317881 is a deficient number, since it is larger than the sum of its proper divisors (5603459440743).

16699235317881 is an equidigital number, since it uses as much as digits as its factorization.

16699235317881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261917031.

The product of its digits is 117573120, while the sum is 69.

The spelling of 16699235317881 in words is "sixteen trillion, six hundred ninety-nine billion, two hundred thirty-five million, three hundred seventeen thousand, eight hundred eighty-one".