16806263 has 2 divisors, whose sum is σ = 16806264. Its totient is φ = 16806262.

The previous prime is 16806259. The next prime is 16806271. The reversal of 16806263 is 36260861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16806263 - 2² = 16806259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16806233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403131 + 8403132.

It is an arithmetic number, because the mean of its divisors is an integer number (8403132).

Almost surely, 2^16806263 is an apocalyptic number.

16806263 is a deficient number, since it is larger than the sum of its proper divisors (1).

16806263 is an equidigital number, since it uses as much as digits as its factorization.

16806263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16806263 is about 4099.5442429616. The cubic root of 16806263 is about 256.1476555010.

The spelling of 16806263 in words is "sixteen million, eight hundred six thousand, two hundred sixty-three".