16882881 has 4 divisors (see below), whose sum is σ = 22510512. Its totient is φ = 11255252.

The previous prime is 16882871. The next prime is 16882889. The reversal of 16882881 is 18828861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16882881 - 2¹⁴ = 16866497 is a prime.

It is a super-2 number, since 2×16882881² = 570063341720322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16882889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2813811 + ... + 2813816.

It is an arithmetic number, because the mean of its divisors is an integer number (5627628).

Almost surely, 2^16882881 is an apocalyptic number.

It is an amenable number.

16882881 is a deficient number, since it is larger than the sum of its proper divisors (5627631).

16882881 is an equidigital number, since it uses as much as digits as its factorization.

16882881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627630.

The product of its digits is 49152, while the sum is 42.

The square root of 16882881 is about 4108.8783140901. The cubic root of 16882881 is about 256.5363156254.

The spelling of 16882881 in words is "sixteen million, eight hundred eighty-two thousand, eight hundred eighty-one".