328527666 has 24 divisors (see below), whose sum is σ = 722436624. Its totient is φ = 107874360.

The previous prime is 328527643. The next prime is 328527673. The reversal of 328527666 is 666725823.

It is a happy number.

328527666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135000 + ... + 137411.

It is an arithmetic number, because the mean of its divisors is an integer number (30101526).

Almost surely, 2^328527666 is an apocalyptic number.

328527666 is an abundant number, since it is smaller than the sum of its proper divisors (393908958).

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

328527666 is a wasteful number, since it uses less digits than its factorization.

328527666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272486 (or 272483 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 328527666 is about 18125.3321624736. The cubic root of 328527666 is about 690.0130684355.

The spelling of 328527666 in words is "three hundred twenty-eight million, five hundred twenty-seven thousand, six hundred sixty-six".