160317761891 has 12 divisors (see below), whose sum is σ = 189549341280. Its totient is φ = 135162513360.

The previous prime is 160317761881. The next prime is 160317761899. The reversal of 160317761891 is 198167713061.

It is not a de Polignac number, because 160317761891 - 2¹⁴ = 160317745507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160317761899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26814971 + ... + 26820948.

It is an arithmetic number, because the mean of its divisors is an integer number (15795778440).

Almost surely, 2^160317761891 is an apocalyptic number.

160317761891 is a deficient number, since it is larger than the sum of its proper divisors (29231579389).

160317761891 is an equidigital number, since it uses as much as digits as its factorization.

160317761891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53635994 (or 53635987 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 160317761891 in words is "one hundred sixty billion, three hundred seventeen million, seven hundred sixty-one thousand, eight hundred ninety-one".