16115660610097 has 2 divisors, whose sum is σ = 16115660610098. Its totient is φ = 16115660610096.

The previous prime is 16115660610083. The next prime is 16115660610143. The reversal of 16115660610097 is 79001606651161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13258330157601 + 2857330452496 = 3641199^2 + 1690364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16115660610097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16115660610097.

It is not a weakly prime, because it can be changed into another prime (16115660610197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057830305048 + 8057830305049.

It is an arithmetic number, because the mean of its divisors is an integer number (8057830305049).

Almost surely, 2^{16115660610097} is an apocalyptic number.

It is an amenable number.

16115660610097 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115660610097 is an equidigital number, since it uses as much as digits as its factorization.

16115660610097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 16115660610097 in words is "sixteen trillion, one hundred fifteen billion, six hundred sixty million, six hundred ten thousand, ninety-seven".