331348666 has 16 divisors (see below), whose sum is σ = 574102080. Its totient is φ = 141753280.

The previous prime is 331348643. The next prime is 331348697. The reversal of 331348666 is 666843133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442606 + ... + 443353.

It is an arithmetic number, because the mean of its divisors is an integer number (35881380).

Almost surely, 2^331348666 is an apocalyptic number.

331348666 is a deficient number, since it is larger than the sum of its proper divisors (242753414).

331348666 is a wasteful number, since it uses less digits than its factorization.

331348666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885989.

The product of its digits is 186624, while the sum is 40.

The square root of 331348666 is about 18202.9850848700. The cubic root of 331348666 is about 691.9824427256.

The spelling of 331348666 in words is "three hundred thirty-one million, three hundred forty-eight thousand, six hundred sixty-six".