181182082 has 32 divisors (see below), whose sum is σ = 287187120. Its totient is φ = 85612800.

The previous prime is 181182049. The next prime is 181182101. The reversal of 181182082 is 280281181.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 168714121 + 12467961 = 12989^2 + 3531^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 919608 + ... + 919804.

Almost surely, 2^181182082 is an apocalyptic number.

181182082 is a deficient number, since it is larger than the sum of its proper divisors (106005038).

181182082 is a wasteful number, since it uses less digits than its factorization.

181182082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 181182082 is about 13460.3893702968. The cubic root of 181182082 is about 565.8549012702.

Subtracting 181182082 from its reverse (280281181), we obtain a palindrome (99099099).

The spelling of 181182082 in words is "one hundred eighty-one million, one hundred eighty-two thousand, eighty-two".