866151 has 24 divisors (see below), whose sum is σ = 1472016. Its totient is φ = 483840.

The previous prime is 866123. The next prime is 866161. The reversal of 866151 is 151668.

It is not a de Polignac number, because 866151 - 2⁵ = 866119 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 866151.

It is not an unprimeable number, because it can be changed into a prime (866101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 951 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (61334).

2⁸⁶⁶¹⁵¹ is an apocalyptic number.

866151 is a deficient number, since it is larger than the sum of its proper divisors (605865).

866151 is a wasteful number, since it uses less digits than its factorization.

866151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 866151 is about 930.6723376140. The cubic root of 866151 is about 95.3230369610.

The spelling of 866151 in words is "eight hundred sixty-six thousand, one hundred fifty-one".