8158158205 has 16 divisors (see below), whose sum is σ = 9841939200. Its totient is φ = 6491816640.

The previous prime is 8158158191. The next prime is 8158158209. The reversal of 8158158205 is 5028518518.

It is not a de Polignac number, because 8158158205 - 2⁷ = 8158158077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158158209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475436 + ... + 1480954.

It is an arithmetic number, because the mean of its divisors is an integer number (615121200).

Almost surely, 2^8158158205 is an apocalyptic number.

It is an amenable number.

8158158205 is a deficient number, since it is larger than the sum of its proper divisors (1683780995).

8158158205 is a wasteful number, since it uses less digits than its factorization.

8158158205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044.

The product of its (nonzero) digits is 128000, while the sum is 43.

The square root of 8158158205 is about 90322.5232430981. The cubic root of 8158158205 is about 2013.0939377330.

The spelling of 8158158205 in words is "eight billion, one hundred fifty-eight million, one hundred fifty-eight thousand, two hundred five".