328631066 has 16 divisors (see below), whose sum is σ = 496536480. Its totient is φ = 163122960.

The previous prime is 328631059. The next prime is 328631081. The reversal of 328631066 is 660136823.

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 7 ways as a sum of consecutive naturals, for example, 337961 + ... + 338931.

It is an arithmetic number, because the mean of its divisors is an integer number (31033530).

Almost surely, 2^328631066 is an apocalyptic number.

328631066 is a deficient number, since it is larger than the sum of its proper divisors (167905414).

328631066 is a wasteful number, since it uses less digits than its factorization.

328631066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 328631066 is about 18128.1842995927. The cubic root of 328631066 is about 690.0854518548.

Adding to 328631066 its reverse (660136823), we get a palindrome (988767889).

The spelling of 328631066 in words is "three hundred twenty-eight million, six hundred thirty-one thousand, sixty-six".