264535665104223 has 12 divisors (see below), whose sum is σ = 404583958394928. Its totient is φ = 165983162418240.

The previous prime is 264535665104167. The next prime is 264535665104363. The reversal of 264535665104223 is 322401566535462.

264535665104223 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 3 + 5 + 66 + 510 + 42 + 23 = 666.

It is not a de Polignac number, because 264535665104223 - 2⁶ = 264535665104159 is a prime.

It is a super-2 number, since 2×264535665104223² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 264535665104223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264535665103223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 864495637443 + ... + 864495637748.

It is an arithmetic number, because the mean of its divisors is an integer number (33715329866244).

Almost surely, 2^{264535665104223} is an apocalyptic number.

264535665104223 is a deficient number, since it is larger than the sum of its proper divisors (140048293290705).

264535665104223 is a wasteful number, since it uses less digits than its factorization.

264535665104223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728991275214 (or 1728991275211 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 54.

The spelling of 264535665104223 in words is "two hundred sixty-four trillion, five hundred thirty-five billion, six hundred sixty-five million, one hundred four thousand, two hundred twenty-three".