8180605005 has 16 divisors (see below), whose sum is σ = 13090581504. Its totient is φ = 4362451520.

The previous prime is 8180604959. The next prime is 8180605009. The reversal of 8180605005 is 5005060818.

It is not a de Polignac number, because 8180605005 - 2¹¹ = 8180602957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8180605009) 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, 112660 + ... + 170450.

It is an arithmetic number, because the mean of its divisors is an integer number (818161344).

Almost surely, 2^8180605005 is an apocalyptic number.

It is an amenable number.

8180605005 is a deficient number, since it is larger than the sum of its proper divisors (4909976499).

8180605005 is a wasteful number, since it uses less digits than its factorization.

8180605005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67236.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 8180605005 is about 90446.6970375370. The cubic root of 8180605005 is about 2014.9385590027.

The spelling of 8180605005 in words is "eight billion, one hundred eighty million, six hundred five thousand, five".