16896431689690 has 16 divisors (see below), whose sum is σ = 34758373761792. Its totient is φ = 5793062293584.

The previous prime is 16896431689663. The next prime is 16896431689691. The reversal of 16896431689690 is 9698613469861.

It is a super-2 number, since 2×16896431689690² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16896431689691) 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, 120688797714 + ... + 120688797853.

It is an arithmetic number, because the mean of its divisors is an integer number (2172398360112).

Almost surely, 2^{16896431689690} is an apocalyptic number.

16896431689690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16896431689690 is an abundant number, since it is smaller than the sum of its proper divisors (17861942072102).

16896431689690 is a wasteful number, since it uses less digits than its factorization.

16896431689690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241377595581.

The product of its (nonzero) digits is 725594112, while the sum is 76.

The spelling of 16896431689690 in words is "sixteen trillion, eight hundred ninety-six billion, four hundred thirty-one million, six hundred eighty-nine thousand, six hundred ninety".