16498316498117 has 2 divisors, whose sum is σ = 16498316498118. Its totient is φ = 16498316498116.

The previous prime is 16498316498051. The next prime is 16498316498159. The reversal of 16498316498117 is 71189461389461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8269989826081 + 8228326672036 = 2875759^2 + 2868506^2 .

It is an emirp because it is prime and its reverse (71189461389461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16498316498117 - 2²² = 16498312303813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16498316491117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249158249058 + 8249158249059.

It is an arithmetic number, because the mean of its divisors is an integer number (8249158249059).

Almost surely, 2^{16498316498117} is an apocalyptic number.

It is an amenable number.

16498316498117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16498316498117 is an equidigital number, since it uses as much as digits as its factorization.

16498316498117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 68.

The spelling of 16498316498117 in words is "sixteen trillion, four hundred ninety-eight billion, three hundred sixteen million, four hundred ninety-eight thousand, one hundred seventeen".