9818008186 has 12 divisors (see below), whose sum is σ = 17131422618. Its totient is φ = 4207717752.

The previous prime is 9818008157. The next prime is 9818008219. The reversal of 9818008186 is 6818008189.

9818008186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8624651161 + 1193357025 = 92869^2 + 34545^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

9818008186 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 50091781 + ... + 50091976.

Almost surely, 2^9818008186 is an apocalyptic number.

9818008186 is a deficient number, since it is larger than the sum of its proper divisors (7313414432).

9818008186 is a wasteful number, since it uses less digits than its factorization.

9818008186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100183773 (or 100183766 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 49.

The square root of 9818008186 is about 99085.8626949375. The cubic root of 9818008186 is about 2141.2849436591.

The spelling of 9818008186 in words is "nine billion, eight hundred eighteen million, eight thousand, one hundred eighty-six".