265001666241 has 8 divisors (see below), whose sum is σ = 380515213120. Its totient is φ = 163077948432.

The previous prime is 265001666227. The next prime is 265001666323. The reversal of 265001666241 is 142666100562.

265001666241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265001666241 - 2¹⁰ = 265001665217 is a prime.

It is a super-2 number, since 2×265001666241² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6794914519 = 265001666241 / (2 + 6 + 5 + 0 + 0 + 1 + 6 + 6 + 6 + 2 + 4 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265001666241.

It is not an unprimeable number, because it can be changed into a prime (265001666201) 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, 3397457221 + ... + 3397457298.

It is an arithmetic number, because the mean of its divisors is an integer number (47564401640).

Almost surely, 2^265001666241 is an apocalyptic number.

It is an amenable number.

265001666241 is a deficient number, since it is larger than the sum of its proper divisors (115513546879).

265001666241 is a wasteful number, since it uses less digits than its factorization.

265001666241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794914535.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 265001666241 in words is "two hundred sixty-five billion, one million, six hundred sixty-six thousand, two hundred forty-one".