16992210281 has 2 divisors, whose sum is σ = 16992210282. Its totient is φ = 16992210280.

The previous prime is 16992210259. The next prime is 16992210329. The reversal of 16992210281 is 18201229961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16836360025 + 155850256 = 129755^2 + 12484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16992210281 is a prime.

It is a super-2 number, since 2×16992210281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16992215281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8496105140 + 8496105141.

It is an arithmetic number, because the mean of its divisors is an integer number (8496105141).

Almost surely, 2^16992210281 is an apocalyptic number.

It is an amenable number.

16992210281 is a deficient number, since it is larger than the sum of its proper divisors (1).

16992210281 is an equidigital number, since it uses as much as digits as its factorization.

16992210281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 16992210281 in words is "sixteen billion, nine hundred ninety-two million, two hundred ten thousand, two hundred eighty-one".