18182416730 has 8 divisors (see below), whose sum is σ = 32728350132. Its totient is φ = 7272966688.

The previous prime is 18182416729. The next prime is 18182416787. The reversal of 18182416730 is 3761428181.

It can be written as a sum of positive squares in 2 ways, for example, as 17950372441 + 232044289 = 133979^2 + 15233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×18182416730³ (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 909120827 + ... + 909120846.

Almost surely, 2^18182416730 is an apocalyptic number.

18182416730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18182416730 is a deficient number, since it is larger than the sum of its proper divisors (14545933402).

18182416730 is a wasteful number, since it uses less digits than its factorization.

18182416730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818241680.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 18182416730 in words is "eighteen billion, one hundred eighty-two million, four hundred sixteen thousand, seven hundred thirty".