181982082 has 8 divisors (see below), whose sum is σ = 363964176. Its totient is φ = 60660692.

The previous prime is 181982081. The next prime is 181982083. The reversal of 181982082 is 280289181.

It is an interprime number because it is at equal distance from previous prime (181982081) and next prime (181982083).

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

181982082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 181982082.

It is not an unprimeable number, because it can be changed into a prime (181982081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15165168 + ... + 15165179.

It is an arithmetic number, because the mean of its divisors is an integer number (45495522).

Almost surely, 2^181982082 is an apocalyptic number.

181982082 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.

181982082 is a wasteful number, since it uses less digits than its factorization.

181982082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30330352.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 181982082 is about 13490.0734616236. The cubic root of 181982082 is about 566.6865127229.

The spelling of 181982082 in words is "one hundred eighty-one million, nine hundred eighty-two thousand, eighty-two".