16716124417 has 2 divisors, whose sum is σ = 16716124418. Its totient is φ = 16716124416.

The previous prime is 16716124409. The next prime is 16716124457. The reversal of 16716124417 is 71442161761.

It is an a-pointer prime, because the next prime (16716124457) can be obtained adding 16716124417 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10911055936 + 5805068481 = 104456^2 + 76191^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716124417 - 2³ = 16716124409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16716124417.

It is not a weakly prime, because it can be changed into another prime (16716124457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358062208 + 8358062209.

It is an arithmetic number, because the mean of its divisors is an integer number (8358062209).

Almost surely, 2^16716124417 is an apocalyptic number.

It is an amenable number.

16716124417 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716124417 is an equidigital number, since it uses as much as digits as its factorization.

16716124417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The spelling of 16716124417 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty-four thousand, four hundred seventeen".