8160564245 has 4 divisors (see below), whose sum is σ = 9792677100. Its totient is φ = 6528451392.

The previous prime is 8160564227. The next prime is 8160564257. The reversal of 8160564245 is 5424650618.

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 6410564356 + 1749999889 = 80066^2 + 41833^2 .

It is a cyclic number.

It is not a de Polignac number, because 8160564245 - 2⁸ = 8160563989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816056420 + ... + 816056429.

It is an arithmetic number, because the mean of its divisors is an integer number (2448169275).

Almost surely, 2^8160564245 is an apocalyptic number.

It is an amenable number.

8160564245 is a deficient number, since it is larger than the sum of its proper divisors (1632112855).

8160564245 is a wasteful number, since it uses less digits than its factorization.

8160564245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632112854.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 8160564245 is about 90335.8414196713. The cubic root of 8160564245 is about 2013.2918217950.

The spelling of 8160564245 in words is "eight billion, one hundred sixty million, five hundred sixty-four thousand, two hundred forty-five".