8160711893 has 2 divisors, whose sum is σ = 8160711894. Its totient is φ = 8160711892.

The previous prime is 8160711877. The next prime is 8160711913. The reversal of 8160711893 is 3981170618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7538059684 + 622652209 = 86822^2 + 24953^2 .

It is a cyclic number.

It is not a de Polignac number, because 8160711893 - 2⁴ = 8160711877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8160711863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080355946 + 4080355947.

It is an arithmetic number, because the mean of its divisors is an integer number (4080355947).

Almost surely, 2^8160711893 is an apocalyptic number.

It is an amenable number.

8160711893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8160711893 is an equidigital number, since it uses as much as digits as its factorization.

8160711893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 8160711893 is about 90336.6586331374. The cubic root of 8160711893 is about 2013.3039637952.

The spelling of 8160711893 in words is "eight billion, one hundred sixty million, seven hundred eleven thousand, eight hundred ninety-three".