18382566350 has 48 divisors (see below), whose sum is σ = 34507955040. Its totient is φ = 7285248000.

The previous prime is 18382566317. The next prime is 18382566353. The reversal of 18382566350 is 5366528381.

It is a super-2 number, since 2×18382566350² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18382566295 and 18382566304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382566353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3084974 + ... + 3090926.

It is an arithmetic number, because the mean of its divisors is an integer number (718915730).

Almost surely, 2^18382566350 is an apocalyptic number.

18382566350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18382566350 is a deficient number, since it is larger than the sum of its proper divisors (16125388690).

18382566350 is a wasteful number, since it uses less digits than its factorization.

18382566350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 18382566350 in words is "eighteen billion, three hundred eighty-two million, five hundred sixty-six thousand, three hundred fifty".