16596491244997 has 2 divisors, whose sum is σ = 16596491244998. Its totient is φ = 16596491244996.

The previous prime is 16596491244973. The next prime is 16596491245069. The reversal of 16596491244997 is 79944219469561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12313354703521 + 4283136541476 = 3509039^2 + 2069574^2 .

It is an emirp because it is prime and its reverse (79944219469561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16596491244997 - 2³¹ = 16594343761349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16596491244937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8298245622498 + 8298245622499.

It is an arithmetic number, because the mean of its divisors is an integer number (8298245622499).

Almost surely, 2^{16596491244997} is an apocalyptic number.

It is an amenable number.

16596491244997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16596491244997 is an equidigital number, since it uses as much as digits as its factorization.

16596491244997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058158080, while the sum is 76.

The spelling of 16596491244997 in words is "sixteen trillion, five hundred ninety-six billion, four hundred ninety-one million, two hundred forty-four thousand, nine hundred ninety-seven".