866546050722428 has 12 divisors (see below), whose sum is σ = 1516460748852000. Its totient is φ = 433271551050432.

The previous prime is 866546050722421. The next prime is 866546050722463. The reversal of 866546050722428 is 824227050645668.

It is a happy number.

866546050722428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866546050722421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367254701 + ... + 369606692.

It is an arithmetic number, because the mean of its divisors is an integer number (126371729071000).

Almost surely, 2^{866546050722428} is an apocalyptic number.

It is an amenable number.

866546050722428 is a deficient number, since it is larger than the sum of its proper divisors (649914698129572).

866546050722428 is a wasteful number, since it uses less digits than its factorization.

866546050722428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737155396 (or 737155394 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 65.

The spelling of 866546050722428 in words is "eight hundred sixty-six trillion, five hundred forty-six billion, fifty million, seven hundred twenty-two thousand, four hundred twenty-eight".