8160163661077 has 4 divisors (see below), whose sum is σ = 8162138057580. Its totient is φ = 8158189264576.

The previous prime is 8160163661063. The next prime is 8160163661149. The reversal of 8160163661077 is 7701663610618.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4299779635281 + 3860384025796 = 2073591^2 + 1964786^2 .

It is a cyclic number.

It is not a de Polignac number, because 8160163661077 - 2²³ = 8160155272469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160163661017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987192052 + ... + 987200317.

It is an arithmetic number, because the mean of its divisors is an integer number (2040534514395).

Almost surely, 2^{8160163661077} is an apocalyptic number.

It is an amenable number.

8160163661077 is a deficient number, since it is larger than the sum of its proper divisors (1974396503).

8160163661077 is a wasteful number, since it uses less digits than its factorization.

8160163661077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974396502.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 8160163661077 in words is "eight trillion, one hundred sixty billion, one hundred sixty-three million, six hundred sixty-one thousand, seventy-seven".