264615123546656 has 48 divisors (see below), whose sum is σ = 521062547917464. Its totient is φ = 132281780895744.

The previous prime is 264615123546619. The next prime is 264615123546659. The reversal of 264615123546656 is 656645321516462.

It can be written as a sum of positive squares in 4 ways, for example, as 186141817824400 + 78473305722256 = 13643380^2 + 8858516^2 .

It is a super-2 number, since 2×264615123546656² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264615123546659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956709890 + ... + 3956776766.

Almost surely, 2^{264615123546656} is an apocalyptic number.

It is an amenable number.

264615123546656 is a deficient number, since it is larger than the sum of its proper divisors (256447424370808).

264615123546656 is a wasteful number, since it uses less digits than its factorization.

264615123546656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89133 (or 89125 counting only the distinct ones).

The product of its digits is 186624000, while the sum is 62.

The spelling of 264615123546656 in words is "two hundred sixty-four trillion, six hundred fifteen billion, one hundred twenty-three million, five hundred forty-six thousand, six hundred fifty-six".