866130151478857 has 8 divisors (see below), whose sum is σ = 886631092834784. Its totient is φ = 845645500109088.

The previous prime is 866130151478833. The next prime is 866130151478869. The reversal of 866130151478857 is 758874151031668.

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 866130151478857 - 2¹⁹ = 866130150954569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866130151478957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072388943 + ... + 4072601620.

It is an arithmetic number, because the mean of its divisors is an integer number (110828886604348).

Almost surely, 2^{866130151478857} is an apocalyptic number.

It is an amenable number.

866130151478857 is a deficient number, since it is larger than the sum of its proper divisors (20500941355927).

866130151478857 is a wasteful number, since it uses less digits than its factorization.

866130151478857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144993079.

The product of its (nonzero) digits is 270950400, while the sum is 70.

The spelling of 866130151478857 in words is "eight hundred sixty-six trillion, one hundred thirty billion, one hundred fifty-one million, four hundred seventy-eight thousand, eight hundred fifty-seven".