328742166 has 32 divisors (see below), whose sum is σ = 680011776. Its totient is φ = 105840000.

The previous prime is 328742137. The next prime is 328742179. The reversal of 328742166 is 661247823.

It is a happy number.

It is a congruent number.

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, 115966 + ... + 118766.

It is an arithmetic number, because the mean of its divisors is an integer number (21250368).

Almost surely, 2^328742166 is an apocalyptic number.

328742166 is an abundant number, since it is smaller than the sum of its proper divisors (351269610).

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

328742166 is a wasteful number, since it uses less digits than its factorization.

328742166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468.

The product of its digits is 96768, while the sum is 39.

The square root of 328742166 is about 18131.2483298862. The cubic root of 328742166 is about 690.1632086095.

Adding to 328742166 its reverse (661247823), we get a palindrome (989989989).

The spelling of 328742166 in words is "three hundred twenty-eight million, seven hundred forty-two thousand, one hundred sixty-six".