866130805102220 has 48 divisors (see below), whose sum is σ = 2098895620942848. Its totient is φ = 294076034792640.

The previous prime is 866130805102097. The next prime is 866130805102309. The reversal of 866130805102220 is 22201508031668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30032260376 + ... + 30032289215.

It is an arithmetic number, because the mean of its divisors is an integer number (43726992102976).

Almost surely, 2^{866130805102220} is an apocalyptic number.

It is an amenable number.

866130805102220 is an abundant number, since it is smaller than the sum of its proper divisors (1232764815840628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866130805102220 is a wasteful number, since it uses less digits than its factorization.

866130805102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60064549710 (or 60064549708 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 866130805102220 in words is "eight hundred sixty-six trillion, one hundred thirty billion, eight hundred five million, one hundred two thousand, two hundred twenty".