8505163158 has 16 divisors (see below), whose sum is σ = 17055934896. Its totient is φ = 2827452960.

The previous prime is 8505163157. The next prime is 8505163187. The reversal of 8505163158 is 8513615058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505163157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897933 + ... + 1902408.

It is an arithmetic number, because the mean of its divisors is an integer number (1065995931).

Almost surely, 2^8505163158 is an apocalyptic number.

8505163158 is an abundant number, since it is smaller than the sum of its proper divisors (8550771738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505163158 is a wasteful number, since it uses less digits than its factorization.

8505163158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800719.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 8505163158 is about 92223.4414777501. The cubic root of 8505163158 is about 2041.2406875193.

The spelling of 8505163158 in words is "eight billion, five hundred five million, one hundred sixty-three thousand, one hundred fifty-eight".