330145255581 has 16 divisors (see below), whose sum is σ = 459348061056. Its totient is φ = 210520290816.

The previous prime is 330145255579. The next prime is 330145255591. The reversal of 330145255581 is 185552541033.

It is not a de Polignac number, because 330145255581 - 2¹ = 330145255579 is a prime.

It is a super-2 number, since 2×330145255581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330145255541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626341 + ... + 2749173.

It is an arithmetic number, because the mean of its divisors is an integer number (28709253816).

Almost surely, 2^330145255581 is an apocalyptic number.

It is an amenable number.

330145255581 is a deficient number, since it is larger than the sum of its proper divisors (129202805475).

330145255581 is a wasteful number, since it uses less digits than its factorization.

330145255581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161812.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 330145255581 in words is "three hundred thirty billion, one hundred forty-five million, two hundred fifty-five thousand, five hundred eighty-one".