65330228881 has 16 divisors (see below), whose sum is σ = 69864940800. Its totient is φ = 60906997008.

The previous prime is 65330228879. The next prime is 65330228903. The reversal of 65330228881 is 18882203356.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65330228881 - 2¹ = 65330228879 is a prime.

It is a super-2 number, since 2×65330228881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65330928881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272006 + ... + 1322368.

It is an arithmetic number, because the mean of its divisors is an integer number (4366558800).

Almost surely, 2^65330228881 is an apocalyptic number.

It is an amenable number.

65330228881 is a deficient number, since it is larger than the sum of its proper divisors (4534711919).

65330228881 is a wasteful number, since it uses less digits than its factorization.

65330228881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51468.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 65330228881 in words is "sixty-five billion, three hundred thirty million, two hundred twenty-eight thousand, eight hundred eighty-one".