866130570085143 has 16 divisors (see below), whose sum is σ = 1265797024451712. Its totient is φ = 522439809612000.

The previous prime is 866130570085103. The next prime is 866130570085153. The reversal of 866130570085143 is 341580075031668.

It is not a de Polignac number, because 866130570085143 - 2²² = 866130565890839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866130570085103) by changing a digit.

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, 62195208468 + ... + 62195222393.

It is an arithmetic number, because the mean of its divisors is an integer number (79112314028232).

Almost surely, 2^{866130570085143} is an apocalyptic number.

866130570085143 is a deficient number, since it is larger than the sum of its proper divisors (399666454366569).

866130570085143 is a wasteful number, since it uses less digits than its factorization.

866130570085143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124390431086.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 866130570085143 in words is "eight hundred sixty-six trillion, one hundred thirty billion, five hundred seventy million, eighty-five thousand, one hundred forty-three".