8158218602 has 16 divisors (see below), whose sum is σ = 12925853952. Its totient is φ = 3855720960.

The previous prime is 8158218599. The next prime is 8158218631. The reversal of 8158218602 is 2068128518.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8158218602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527383 + ... + 1532714.

It is an arithmetic number, because the mean of its divisors is an integer number (807865872).

Almost surely, 2^8158218602 is an apocalyptic number.

8158218602 is a deficient number, since it is larger than the sum of its proper divisors (4767635350).

8158218602 is a wasteful number, since it uses less digits than its factorization.

8158218602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060173.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 8158218602 is about 90322.8575832275. The cubic root of 8158218602 is about 2013.0989055428.

The spelling of 8158218602 in words is "eight billion, one hundred fifty-eight million, two hundred eighteen thousand, six hundred two".