331666052 has 24 divisors (see below), whose sum is σ = 625178400. Its totient is φ = 153449856.

The previous prime is 331666051. The next prime is 331666067. The reversal of 331666052 is 250666133.

331666052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331666052² = 220004740098533408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331666051) 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, 47477 + ... + 54012.

It is an arithmetic number, because the mean of its divisors is an integer number (26049100).

Almost surely, 2^331666052 is an apocalyptic number.

It is an amenable number.

331666052 is a deficient number, since it is larger than the sum of its proper divisors (293512348).

331666052 is a wasteful number, since it uses less digits than its factorization.

331666052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101555 (or 101553 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 331666052 is about 18211.7009639407. The cubic root of 331666052 is about 692.2033132424.

The spelling of 331666052 in words is "three hundred thirty-one million, six hundred sixty-six thousand, fifty-two".