331468066 has 4 divisors (see below), whose sum is σ = 497202102. Its totient is φ = 165734032.

The previous prime is 331468061. The next prime is 331468079. The reversal of 331468066 is 660864133.

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

It can be written as a sum of positive squares in only one way, i.e., 262926225 + 68541841 = 16215^2 + 8279^2 .

It is not an unprimeable number, because it can be changed into a prime (331468061) 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 as a sum of consecutive naturals, namely, 82867015 + ... + 82867018.

Almost surely, 2^331468066 is an apocalyptic number.

331468066 is a deficient number, since it is larger than the sum of its proper divisors (165734036).

331468066 is a wasteful number, since it uses less digits than its factorization.

331468066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165734035.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 331468066 is about 18206.2644713296. The cubic root of 331468066 is about 692.0655503299.

The spelling of 331468066 in words is "three hundred thirty-one million, four hundred sixty-eight thousand, sixty-six".