8161301305 has 16 divisors (see below), whose sum is σ = 9966587904. Its totient is φ = 6414690240.

The previous prime is 8161301297. The next prime is 8161301311. The reversal of 8161301305 is 5031031618.

It is not a de Polignac number, because 8161301305 - 2³ = 8161301297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 127795.

It is an arithmetic number, because the mean of its divisors is an integer number (622911744).

Almost surely, 2^8161301305 is an apocalyptic number.

It is an amenable number.

8161301305 is a deficient number, since it is larger than the sum of its proper divisors (1805286599).

8161301305 is a wasteful number, since it uses less digits than its factorization.

8161301305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125016.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8161301305 is about 90339.9208821881. The cubic root of 8161301305 is about 2013.3524332982.

The spelling of 8161301305 in words is "eight billion, one hundred sixty-one million, three hundred one thousand, three hundred five".