160317761893 has 4 divisors (see below), whose sum is σ = 160318629900. Its totient is φ = 160316893888.

The previous prime is 160317761881. The next prime is 160317761899. The reversal of 160317761893 is 398167713061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 70882672644 + 89435089249 = 266238^2 + 299057^2 .

It is a cyclic number.

It is not a de Polignac number, because 160317761893 - 2⁵ = 160317761861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160317761893.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 34180 + ... + 567277.

It is an arithmetic number, because the mean of its divisors is an integer number (40079657475).

Almost surely, 2^160317761893 is an apocalyptic number.

It is an amenable number.

160317761893 is a deficient number, since it is larger than the sum of its proper divisors (868007).

160317761893 is an equidigital number, since it uses as much as digits as its factorization.

160317761893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868006.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 160317761893 in words is "one hundred sixty billion, three hundred seventeen million, seven hundred sixty-one thousand, eight hundred ninety-three".