866834647323041 has 8 divisors (see below), whose sum is σ = 875895795758880. Its totient is φ = 857819146990752.

The previous prime is 866834647323017. The next prime is 866834647323083. The reversal of 866834647323041 is 140323746438668.

It is a happy number.

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 866834647323041 - 2¹⁴ = 866834647306657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (866834647323091) 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 7 ways as a sum of consecutive naturals, for example, 11411987711 + ... + 11412063668.

It is an arithmetic number, because the mean of its divisors is an integer number (109486974469860).

Almost surely, 2^{866834647323041} is an apocalyptic number.

It is an amenable number.

866834647323041 is a deficient number, since it is larger than the sum of its proper divisors (9061148435839).

866834647323041 is a wasteful number, since it uses less digits than its factorization.

866834647323041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824051775.

The product of its (nonzero) digits is 334430208, while the sum is 65.

The spelling of 866834647323041 in words is "eight hundred sixty-six trillion, eight hundred thirty-four billion, six hundred forty-seven million, three hundred twenty-three thousand, forty-one".