330946561 has 8 divisors (see below), whose sum is σ = 363249504. Its totient is φ = 299013120.

The previous prime is 330946543. The next prime is 330946573. The reversal of 330946561 is 165649033.

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

It is a cyclic number.

It is not a de Polignac number, because 330946561 - 2¹⁷ = 330815489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330946561.

It is not an unprimeable number, because it can be changed into a prime (330946591) 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, 90496 + ... + 94081.

It is an arithmetic number, because the mean of its divisors is an integer number (45406188).

Almost surely, 2^330946561 is an apocalyptic number.

It is an amenable number.

330946561 is a deficient number, since it is larger than the sum of its proper divisors (32302943).

330946561 is a wasteful number, since it uses less digits than its factorization.

330946561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184751.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 330946561 is about 18191.9367028362. The cubic root of 330946561 is about 691.7024131974.

The spelling of 330946561 in words is "three hundred thirty million, nine hundred forty-six thousand, five hundred sixty-one".