16882121 has 2 divisors, whose sum is σ = 16882122. Its totient is φ = 16882120.

The previous prime is 16882111. The next prime is 16882123. The reversal of 16882121 is 12128861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16516096 + 366025 = 4064^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 16882121 - 2¹⁰ = 16881097 is a prime.

Together with 16882123, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1084178 and since 16882121 and 1084178 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16882123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8441060 + 8441061.

It is an arithmetic number, because the mean of its divisors is an integer number (8441061).

Almost surely, 2^16882121 is an apocalyptic number.

It is an amenable number.

16882121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16882121 is an equidigital number, since it uses as much as digits as its factorization.

16882121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 29.

The square root of 16882121 is about 4108.7858303883. The cubic root of 16882121 is about 256.5324661536.

The spelling of 16882121 in words is "sixteen million, eight hundred eighty-two thousand, one hundred twenty-one".