16510131097 has 2 divisors, whose sum is σ = 16510131098. Its totient is φ = 16510131096.

The previous prime is 16510131041. The next prime is 16510131109. The reversal of 16510131097 is 79013101561.

16510131097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16499659401 + 10471696 = 128451^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 16510131097 - 2¹¹ = 16510129049 is a prime.

It is not a weakly prime, because it can be changed into another prime (16510131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255065548 + 8255065549.

It is an arithmetic number, because the mean of its divisors is an integer number (8255065549).

Almost surely, 2^16510131097 is an apocalyptic number.

It is an amenable number.

16510131097 is a deficient number, since it is larger than the sum of its proper divisors (1).

16510131097 is an equidigital number, since it uses as much as digits as its factorization.

16510131097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The spelling of 16510131097 in words is "sixteen billion, five hundred ten million, one hundred thirty-one thousand, ninety-seven".