331666032 has 20 divisors (see below), whose sum is σ = 856804040. Its totient is φ = 110555328.

The previous prime is 331666031. The next prime is 331666037. The reversal of 331666032 is 230666133.

It is a super-2 number, since 2×331666032² = 220004713565250048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331666031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3454807 + ... + 3454902.

It is an arithmetic number, because the mean of its divisors is an integer number (42840202).

Almost surely, 2^331666032 is an apocalyptic number.

It is an amenable number.

331666032 is an abundant number, since it is smaller than the sum of its proper divisors (525138008).

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

331666032 is a wasteful number, since it uses less digits than its factorization.

331666032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909720 (or 6909714 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 331666032 is about 18211.7004148432. The cubic root of 331666032 is about 692.2032993287.

The spelling of 331666032 in words is "three hundred thirty-one million, six hundred sixty-six thousand, thirty-two".