330442322131666 has 4 divisors (see below), whose sum is σ = 495663483197502. Its totient is φ = 165221161065832.

The previous prime is 330442322131643. The next prime is 330442322131667. The reversal of 330442322131666 is 666131223244033.

It is a happy number.

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., 329945972292225 + 496349839441 = 18164415^2 + 704521^2 .

It is not an unprimeable number, because it can be changed into a prime (330442322131667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82610580532915 + ... + 82610580532918.

Almost surely, 2^{330442322131666} is an apocalyptic number.

330442322131666 is a deficient number, since it is larger than the sum of its proper divisors (165221161065836).

330442322131666 is a wasteful number, since it uses less digits than its factorization.

330442322131666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165221161065835.

The product of its (nonzero) digits is 2239488, while the sum is 46.

Adding to 330442322131666 its reverse (666131223244033), we get a palindrome (996573545375699).

The spelling of 330442322131666 in words is "three hundred thirty trillion, four hundred forty-two billion, three hundred twenty-two million, one hundred thirty-one thousand, six hundred sixty-six".