2664068027665 has 16 divisors (see below), whose sum is σ = 3522037018176. Its totient is φ = 1918320808000.

The previous prime is 2664068027657. The next prime is 2664068027669. The reversal of 2664068027665 is 5667208604662.

2664068027665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2664068027665 - 2³ = 2664068027657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664068027669) by changing a digit.

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, 239784547 + ... + 239795656.

It is an arithmetic number, because the mean of its divisors is an integer number (220127313636).

Almost surely, 2^{2664068027665} is an apocalyptic number.

It is an amenable number.

2664068027665 is a deficient number, since it is larger than the sum of its proper divisors (857968990511).

2664068027665 is a wasteful number, since it uses less digits than its factorization.

2664068027665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479580320.

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 2664068027665 in words is "two trillion, six hundred sixty-four billion, sixty-eight million, twenty-seven thousand, six hundred sixty-five".