818186147268 has 24 divisors (see below), whose sum is σ = 2181829726272. Its totient is φ = 233767470624.

The previous prime is 818186147237. The next prime is 818186147287. The reversal of 818186147268 is 862741681818.

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, 4870155555 + ... + 4870155722.

It is an arithmetic number, because the mean of its divisors is an integer number (90909571928).

Almost surely, 2^818186147268 is an apocalyptic number.

It is an amenable number.

818186147268 is an abundant number, since it is smaller than the sum of its proper divisors (1363643579004).

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

818186147268 is a wasteful number, since it uses less digits than its factorization.

818186147268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740311291 (or 9740311289 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 60.

The spelling of 818186147268 in words is "eight hundred eighteen billion, one hundred eighty-six million, one hundred forty-seven thousand, two hundred sixty-eight".