16857007 has 2 divisors, whose sum is σ = 16857008. Its totient is φ = 16857006.

The previous prime is 16856993. The next prime is 16857023. The reversal of 16857007 is 70075861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16857007 - 2¹⁵ = 16824239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16857037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8428503 + 8428504.

It is an arithmetic number, because the mean of its divisors is an integer number (8428504).

Almost surely, 2^16857007 is an apocalyptic number.

16857007 is a deficient number, since it is larger than the sum of its proper divisors (1).

16857007 is an equidigital number, since it uses as much as digits as its factorization.

16857007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 16857007 is about 4105.7285589771. The cubic root of 16857007 is about 256.4051963303.

It can be divided in two parts, 168 and 57007, that added together give a palindrome (57175).

The spelling of 16857007 in words is "sixteen million, eight hundred fifty-seven thousand, seven".