18361196 has 12 divisors (see below), whose sum is σ = 36722448. Its totient is φ = 7869072.

The previous prime is 18361193. The next prime is 18361219. The reversal of 18361196 is 69116381.

18361196 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18361193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327851 + ... + 327906.

It is an arithmetic number, because the mean of its divisors is an integer number (3060204).

Almost surely, 2^18361196 is an apocalyptic number.

It is an amenable number.

18361196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18361196 is a wasteful number, since it uses less digits than its factorization.

18361196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655768 (or 655766 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 18361196 is about 4284.9966161013. The cubic root of 18361196 is about 263.8155085366.

The spelling of 18361196 in words is "eighteen million, three hundred sixty-one thousand, one hundred ninety-six".