80168550593 has 2 divisors, whose sum is σ = 80168550594. Its totient is φ = 80168550592.

The previous prime is 80168550523. The next prime is 80168550607. The reversal of 80168550593 is 39505586108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59630221249 + 20538329344 = 244193^2 + 143312^2 .

It is a cyclic number.

It is not a de Polignac number, because 80168550593 - 2¹⁰ = 80168549569 is a prime.

It is not a weakly prime, because it can be changed into another prime (80168550523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40084275296 + 40084275297.

It is an arithmetic number, because the mean of its divisors is an integer number (40084275297).

Almost surely, 2^80168550593 is an apocalyptic number.

It is an amenable number.

80168550593 is a deficient number, since it is larger than the sum of its proper divisors (1).

80168550593 is an equidigital number, since it uses as much as digits as its factorization.

80168550593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 80168550593 in words is "eighty billion, one hundred sixty-eight million, five hundred fifty thousand, five hundred ninety-three".