265706756664196 has 81 divisors (see below), whose sum is σ = 490733969633733. Its totient is φ = 125872569108000.

The previous prime is 265706756664191. The next prime is 265706756664229. The reversal of 265706756664196 is 691466657607562.

The square root of 265706756664196 is 16300514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 185196334646596 + 80510422017600 = 13608686^2 + 8972760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265706756664191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 81730775571 + ... + 81730778821.

Almost surely, 2^{265706756664196} is an apocalyptic number.

265706756664196 is the 16300514-th square number.

It is an amenable number.

265706756664196 is a deficient number, since it is larger than the sum of its proper divisors (225027212969537).

265706756664196 is an frugal number, since it uses more digits than its factorization.

265706756664196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 4115059200, while the sum is 76.

The spelling of 265706756664196 in words is "two hundred sixty-five trillion, seven hundred six billion, seven hundred fifty-six million, six hundred sixty-four thousand, one hundred ninety-six".