866101163 has 8 divisors (see below), whose sum is σ = 870222288. Its totient is φ = 861987744.

The previous prime is 866101139. The next prime is 866101169. The reversal of 866101163 is 361101668.

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 866101163 - 2¹⁶ = 866035627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866101169) 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, 420845 + ... + 422897.

It is an arithmetic number, because the mean of its divisors is an integer number (108777786).

Almost surely, 2^866101163 is an apocalyptic number.

866101163 is a deficient number, since it is larger than the sum of its proper divisors (4121125).

866101163 is a wasteful number, since it uses less digits than its factorization.

866101163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 866101163 is about 29429.5967182699. The cubic root of 866101163 is about 953.2120867885.

The spelling of 866101163 in words is "eight hundred sixty-six million, one hundred one thousand, one hundred sixty-three".