16748717 has 2 divisors, whose sum is σ = 16748718. Its totient is φ = 16748716.

The previous prime is 16748713. The next prime is 16748737. The reversal of 16748717 is 71784761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14969161 + 1779556 = 3869^2 + 1334^2 .

It is a cyclic number.

It is not a de Polignac number, because 16748717 - 2² = 16748713 is a prime.

It is a super-2 number, since 2×16748717² = 561039042292178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16748713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8374358 + 8374359.

It is an arithmetic number, because the mean of its divisors is an integer number (8374359).

Almost surely, 2^16748717 is an apocalyptic number.

It is an amenable number.

16748717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16748717 is an equidigital number, since it uses as much as digits as its factorization.

16748717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The square root of 16748717 is about 4092.5196395375. The cubic root of 16748717 is about 255.8549644365.

It can be divided in two parts, 167 and 48717, that added together give a palindrome (48884).

The spelling of 16748717 in words is "sixteen million, seven hundred forty-eight thousand, seven hundred seventeen".