8164650005 has 8 divisors (see below), whose sum is σ = 10036545624. Its totient is φ = 6372409600.

The previous prime is 8164650001. The next prime is 8164650023. The reversal of 8164650005 is 5000564618.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25542916 + 8139107089 = 5054^2 + 90217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8164650005 - 2² = 8164650001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8164650001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19913576 + ... + 19913985.

It is an arithmetic number, because the mean of its divisors is an integer number (1254568203).

Almost surely, 2^8164650005 is an apocalyptic number.

It is an amenable number.

8164650005 is a deficient number, since it is larger than the sum of its proper divisors (1871895619).

8164650005 is a wasteful number, since it uses less digits than its factorization.

8164650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39827607.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 8164650005 is about 90358.4528696679. The cubic root of 8164650005 is about 2013.6277648547.

The spelling of 8164650005 in words is "eight billion, one hundred sixty-four million, six hundred fifty thousand, five".