331666046 has 4 divisors (see below), whose sum is σ = 497499072. Its totient is φ = 165833022.

The previous prime is 331666037. The next prime is 331666051. The reversal of 331666046 is 640666133.

331666046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×331666046² = 220004732138548232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331665997 and 331666015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82916510 + ... + 82916513.

It is an arithmetic number, because the mean of its divisors is an integer number (124374768).

Almost surely, 2^331666046 is an apocalyptic number.

331666046 is a deficient number, since it is larger than the sum of its proper divisors (165833026).

331666046 is a wasteful number, since it uses less digits than its factorization.

331666046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165833025.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 331666046 is about 18211.7007992115. The cubic root of 331666046 is about 692.2033090683.

The spelling of 331666046 in words is "three hundred thirty-one million, six hundred sixty-six thousand, forty-six".