16605115097 has 2 divisors, whose sum is σ = 16605115098. Its totient is φ = 16605115096.

The previous prime is 16605115049. The next prime is 16605115117. The reversal of 16605115097 is 79051150661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14871558601 + 1733556496 = 121949^2 + 41636^2 .

It is a cyclic number.

It is not a de Polignac number, because 16605115097 - 2¹⁰ = 16605114073 is a prime.

It is not a weakly prime, because it can be changed into another prime (16605115997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8302557548 + 8302557549.

It is an arithmetic number, because the mean of its divisors is an integer number (8302557549).

Almost surely, 2^16605115097 is an apocalyptic number.

It is an amenable number.

16605115097 is a deficient number, since it is larger than the sum of its proper divisors (1).

16605115097 is an equidigital number, since it uses as much as digits as its factorization.

16605115097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The spelling of 16605115097 in words is "sixteen billion, six hundred five million, one hundred fifteen thousand, ninety-seven".