329181066 has 12 divisors (see below), whose sum is σ = 713225682. Its totient is φ = 109727016.

The previous prime is 329181031. The next prime is 329181067. The reversal of 329181066 is 660181923.

It can be written as a sum of positive squares in only one way, i.e., 327791025 + 1390041 = 18105^2 + 1179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 329181066.

It is not an unprimeable number, because it can be changed into a prime (329181067) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 9143901 + ... + 9143936.

Almost surely, 2^329181066 is an apocalyptic number.

329181066 is an abundant number, since it is smaller than the sum of its proper divisors (384044616).

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

329181066 is a wasteful number, since it uses less digits than its factorization.

329181066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18287845 (or 18287842 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 329181066 is about 18143.3477065287. The cubic root of 329181066 is about 690.4702150910.

The spelling of 329181066 in words is "three hundred twenty-nine million, one hundred eighty-one thousand, sixty-six".