16716901 has 2 divisors, whose sum is σ = 16716902. Its totient is φ = 16716900.

The previous prime is 16716871. The next prime is 16716907. The reversal of 16716901 is 10961761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 6380676 = 3215^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716901 - 2⁷ = 16716773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16716907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358450 + 8358451.

It is an arithmetic number, because the mean of its divisors is an integer number (8358451).

Almost surely, 2^16716901 is an apocalyptic number.

It is an amenable number.

16716901 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716901 is an equidigital number, since it uses as much as digits as its factorization.

16716901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 16716901 is about 4088.6306998799. The cubic root of 16716901 is about 255.6928536821.

The spelling of 16716901 in words is "sixteen million, seven hundred sixteen thousand, nine hundred one".