264340045601663 has 8 divisors (see below), whose sum is σ = 264534871326720. Its totient is φ = 264145240429560.

The previous prime is 264340045601651. The next prime is 264340045601683. The reversal of 264340045601663 is 366106540043462.

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 264340045601663 - 2⁴ = 264340045601647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264340045601683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20641706 + ... + 30899192.

It is an arithmetic number, because the mean of its divisors is an integer number (33066858915840).

Almost surely, 2^{264340045601663} is an apocalyptic number.

264340045601663 is a deficient number, since it is larger than the sum of its proper divisors (194825725057).

264340045601663 is a wasteful number, since it uses less digits than its factorization.

264340045601663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276477.

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 264340045601663 in words is "two hundred sixty-four trillion, three hundred forty billion, forty-five million, six hundred one thousand, six hundred sixty-three".