165349097486597 has 2 divisors, whose sum is σ = 165349097486598. Its totient is φ = 165349097486596.

The previous prime is 165349097486549. The next prime is 165349097486659. The reversal of 165349097486597 is 795684790943561.

It is a Cunningham number, because it is equal to 12858814²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165349097486596 + 1 = 12858814^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 165349097486597 - 2¹⁴ = 165349097470213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165349097486497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82674548743298 + 82674548743299.

It is an arithmetic number, because the mean of its divisors is an integer number (82674548743299).

Almost surely, 2^{165349097486597} is an apocalyptic number.

It is an amenable number.

165349097486597 is a deficient number, since it is larger than the sum of its proper divisors (1).

165349097486597 is an equidigital number, since it uses as much as digits as its factorization.

165349097486597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12345177600, while the sum is 83.

The spelling of 165349097486597 in words is "one hundred sixty-five trillion, three hundred forty-nine billion, ninety-seven million, four hundred eighty-six thousand, five hundred ninety-seven".