866441346241448 has 16 divisors (see below), whose sum is σ = 1624585438968000. Its totient is φ = 433218562516656.

The previous prime is 866441346241447. The next prime is 866441346241459. The reversal of 866441346241448 is 844142643144668.

It is not an unprimeable number, because it can be changed into a prime (866441346241447) 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 3 ways as a sum of consecutive naturals, for example, 262080128 + ... + 265365551.

It is an arithmetic number, because the mean of its divisors is an integer number (101536589935500).

Almost surely, 2^{866441346241448} is an apocalyptic number.

It is an amenable number.

866441346241448 is a deficient number, since it is larger than the sum of its proper divisors (758144092726552).

866441346241448 is a wasteful number, since it uses less digits than its factorization.

866441346241448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527651024 (or 527651020 counting only the distinct ones).

The product of its digits is 339738624, while the sum is 65.

The spelling of 866441346241448 in words is "eight hundred sixty-six trillion, four hundred forty-one billion, three hundred forty-six million, two hundred forty-one thousand, four hundred forty-eight".