33340055665 has 16 divisors (see below), whose sum is σ = 48413123712. Its totient is φ = 21516943104.

The previous prime is 33340055599. The next prime is 33340055681. The reversal of 33340055665 is 56655004333.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33340055665 - 2⁹ = 33340055153 is a prime.

It is a super-2 number, since 2×33340055665² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28016259 + ... + 28017448.

It is an arithmetic number, because the mean of its divisors is an integer number (3025820232).

Almost surely, 2^33340055665 is an apocalyptic number.

33340055665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33340055665 is a deficient number, since it is larger than the sum of its proper divisors (15073068047).

33340055665 is a wasteful number, since it uses less digits than its factorization.

33340055665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56033736.

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 33340055665 its reverse (56655004333), we get a palindrome (89995059998).

The spelling of 33340055665 in words is "thirty-three billion, three hundred forty million, fifty-five thousand, six hundred sixty-five".