866101165 has 8 divisors (see below), whose sum is σ = 1039915008. Its totient is φ = 692485200.

The previous prime is 866101139. The next prime is 866101169. The reversal of 866101165 is 561101668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 866101165 - 2¹⁷ = 865970093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 866101165.

It is a congruent 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, 39661 + ... + 57490.

It is an arithmetic number, because the mean of its divisors is an integer number (129989376).

Almost surely, 2^866101165 is an apocalyptic number.

It is an amenable number.

866101165 is a deficient number, since it is larger than the sum of its proper divisors (173813843).

866101165 is a wasteful number, since it uses less digits than its factorization.

866101165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98939.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 866101165 is about 29429.5967522493. The cubic root of 866101165 is about 953.2120875222.

The spelling of 866101165 in words is "eight hundred sixty-six million, one hundred one thousand, one hundred sixty-five".