330401665 has 8 divisors (see below), whose sum is σ = 432525888. Its totient is φ = 240292080.

The previous prime is 330401663. The next prime is 330401677. The reversal of 330401665 is 566104033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330401665 - 2¹ = 330401663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330401663) 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 in 7 ways as a sum of consecutive naturals, for example, 3003597 + ... + 3003706.

It is an arithmetic number, because the mean of its divisors is an integer number (54065736).

Almost surely, 2^330401665 is an apocalyptic number.

It is an amenable number.

330401665 is a deficient number, since it is larger than the sum of its proper divisors (102124223).

330401665 is a wasteful number, since it uses less digits than its factorization.

330401665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007319.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 330401665 is about 18176.9542278128. The cubic root of 330401665 is about 691.3225805521.

Adding to 330401665 its reverse (566104033), we get a palindrome (896505698).

The spelling of 330401665 in words is "three hundred thirty million, four hundred one thousand, six hundred sixty-five".