328660066 has 16 divisors (see below), whose sum is σ = 570551040. Its totient is φ = 139070880.

The previous prime is 328660063. The next prime is 328660067. The reversal of 328660066 is 660066823.

It is not an unprimeable number, because it can be changed into a prime (328660063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147475 + ... + 149686.

It is an arithmetic number, because the mean of its divisors is an integer number (35659440).

Almost surely, 2^328660066 is an apocalyptic number.

328660066 is a deficient number, since it is larger than the sum of its proper divisors (241890974).

328660066 is a wasteful number, since it uses less digits than its factorization.

328660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297249.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 328660066 is about 18128.9841414239. The cubic root of 328660066 is about 690.1057500874.

The spelling of 328660066 in words is "three hundred twenty-eight million, six hundred sixty thousand, sixty-six".