16676881 has 16 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 14231808.

The previous prime is 16676867. The next prime is 16676911. The reversal of 16676881 is 18867661.

It is a cyclic number.

It is not a de Polignac number, because 16676881 - 2¹⁵ = 16644113 is a prime.

It is a super-2 number, since 2×16676881² = 556236719776322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16676801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12400 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^16676881 is an apocalyptic number.

It is an amenable number.

16676881 is a deficient number, since it is larger than the sum of its proper divisors (2676719).

16676881 is a wasteful number, since it uses less digits than its factorization.

16676881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 96768, while the sum is 43.

The square root of 16676881 is about 4083.7337082626. The cubic root of 16676881 is about 255.4886490745.

The spelling of 16676881 in words is "sixteen million, six hundred seventy-six thousand, eight hundred eighty-one".