16985001701 has 2 divisors, whose sum is σ = 16985001702. Its totient is φ = 16985001700.

The previous prime is 16985001679. The next prime is 16985001731. The reversal of 16985001701 is 10710058961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16789421476 + 195580225 = 129574^2 + 13985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16985001701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16985001731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8492500850 + 8492500851.

It is an arithmetic number, because the mean of its divisors is an integer number (8492500851).

Almost surely, 2^16985001701 is an apocalyptic number.

It is an amenable number.

16985001701 is a deficient number, since it is larger than the sum of its proper divisors (1).

16985001701 is an equidigital number, since it uses as much as digits as its factorization.

16985001701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 16985001701 in words is "sixteen billion, nine hundred eighty-five million, one thousand, seven hundred one".