16809674152919 has 16 divisors (see below), whose sum is σ = 17559672910272. Its totient is φ = 16061279232768.

The previous prime is 16809674152877. The next prime is 16809674152927. The reversal of 16809674152919 is 91925147690861.

It is a cyclic number.

It is not a de Polignac number, because 16809674152919 - 2¹⁶ = 16809674087383 is a prime.

It is a super-2 number, since 2×16809674152919² (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 (16809674152319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88231307 + ... + 88421619.

It is an arithmetic number, because the mean of its divisors is an integer number (1097479556892).

Almost surely, 2^{16809674152919} is an apocalyptic number.

16809674152919 is a deficient number, since it is larger than the sum of its proper divisors (749998757353).

16809674152919 is a wasteful number, since it uses less digits than its factorization.

16809674152919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194506.

The product of its (nonzero) digits is 58786560, while the sum is 68.

The spelling of 16809674152919 in words is "sixteen trillion, eight hundred nine billion, six hundred seventy-four million, one hundred fifty-two thousand, nine hundred nineteen".