16495220593 has 2 divisors, whose sum is σ = 16495220594. Its totient is φ = 16495220592.

The previous prime is 16495220587. The next prime is 16495220603. The reversal of 16495220593 is 39502259461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16287630129 + 207590464 = 127623^2 + 14408^2 .

It is a cyclic number.

It is not a de Polignac number, because 16495220593 - 2¹³ = 16495212401 is a prime.

It is not a weakly prime, because it can be changed into another prime (16495220393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247610296 + 8247610297.

It is an arithmetic number, because the mean of its divisors is an integer number (8247610297).

Almost surely, 2^16495220593 is an apocalyptic number.

It is an amenable number.

16495220593 is a deficient number, since it is larger than the sum of its proper divisors (1).

16495220593 is an equidigital number, since it uses as much as digits as its factorization.

16495220593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 16495220593 in words is "sixteen billion, four hundred ninety-five million, two hundred twenty thousand, five hundred ninety-three".