160643618593 has 2 divisors, whose sum is σ = 160643618594. Its totient is φ = 160643618592.

The previous prime is 160643618579. The next prime is 160643618609. The reversal of 160643618593 is 395816346061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160274517649 + 369100944 = 400343^2 + 19212^2 .

It is a cyclic number.

It is not a de Polignac number, because 160643618593 - 2⁵ = 160643618561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160643618593.

It is not a weakly prime, because it can be changed into another prime (160643618543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80321809296 + 80321809297.

It is an arithmetic number, because the mean of its divisors is an integer number (80321809297).

Almost surely, 2^160643618593 is an apocalyptic number.

It is an amenable number.

160643618593 is a deficient number, since it is larger than the sum of its proper divisors (1).

160643618593 is an equidigital number, since it uses as much as digits as its factorization.

160643618593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 160643618593 in words is "one hundred sixty billion, six hundred forty-three million, six hundred eighteen thousand, five hundred ninety-three".