161459774299 has 2 divisors, whose sum is σ = 161459774300. Its totient is φ = 161459774298.

The previous prime is 161459774257. The next prime is 161459774303. The reversal of 161459774299 is 992477954161.

It is a happy number.

161459774299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161459774299 - 2¹⁷ = 161459643227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161459774299.

It is not a weakly prime, because it can be changed into another prime (161459774219) 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, 80729887149 + 80729887150.

It is an arithmetic number, because the mean of its divisors is an integer number (80729887150).

Almost surely, 2^161459774299 is an apocalyptic number.

161459774299 is a deficient number, since it is larger than the sum of its proper divisors (1).

161459774299 is an equidigital number, since it uses as much as digits as its factorization.

161459774299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 64.

The spelling of 161459774299 in words is "one hundred sixty-one billion, four hundred fifty-nine million, seven hundred seventy-four thousand, two hundred ninety-nine".