16876608121 has 2 divisors, whose sum is σ = 16876608122. Its totient is φ = 16876608120.

The previous prime is 16876608079. The next prime is 16876608163. The reversal of 16876608121 is 12180667861.

It is a balanced prime because it is at equal distance from previous prime (16876608079) and next prime (16876608163).

It can be written as a sum of positive squares in only one way, i.e., 16209109225 + 667498896 = 127315^2 + 25836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16876608121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16876608821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8438304060 + 8438304061.

It is an arithmetic number, because the mean of its divisors is an integer number (8438304061).

Almost surely, 2^16876608121 is an apocalyptic number.

It is an amenable number.

16876608121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16876608121 is an equidigital number, since it uses as much as digits as its factorization.

16876608121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 16876608121 in words is "sixteen billion, eight hundred seventy-six million, six hundred eight thousand, one hundred twenty-one".