18186380300 has 36 divisors (see below), whose sum is σ = 43052124696. Its totient is φ = 6613228800.

The previous prime is 18186380287. The next prime is 18186380339. The reversal of 18186380300 is 308368181.

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 11 ways as a sum of consecutive naturals, for example, 8265437 + ... + 8267636.

Almost surely, 2^18186380300 is an apocalyptic number.

18186380300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18186380300 is an abundant number, since it is smaller than the sum of its proper divisors (24865744396).

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

18186380300 is a wasteful number, since it uses less digits than its factorization.

18186380300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533098 (or 16533091 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 18186380300 in words is "eighteen billion, one hundred eighty-six million, three hundred eighty thousand, three hundred".