264440611065361 has 8 divisors (see below), whose sum is σ = 284839255678464. Its totient is φ = 244783735347360.

The previous prime is 264440611065353. The next prime is 264440611065383. The reversal of 264440611065361 is 163560116044462.

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 264440611065361 - 2³ = 264440611065353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264440611045361) 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, 185442223036 + ... + 185442224461.

It is an arithmetic number, because the mean of its divisors is an integer number (35604906959808).

Almost surely, 2^{264440611065361} is an apocalyptic number.

It is an amenable number.

264440611065361 is a deficient number, since it is larger than the sum of its proper divisors (20398644613103).

264440611065361 is a wasteful number, since it uses less digits than its factorization.

264440611065361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370884447551.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 264440611065361 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred eleven million, sixty-five thousand, three hundred sixty-one".