866481153 has 8 divisors (see below), whose sum is σ = 1177106688. Its totient is φ = 566754864.

The previous prime is 866481151. The next prime is 866481173. The reversal of 866481153 is 351184668.

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

It is not a de Polignac number, because 866481153 - 2¹ = 866481151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (866481151) 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 7 ways as a sum of consecutive naturals, for example, 2724625 + ... + 2724942.

It is an arithmetic number, because the mean of its divisors is an integer number (147138336).

Almost surely, 2^866481153 is an apocalyptic number.

It is an amenable number.

866481153 is a deficient number, since it is larger than the sum of its proper divisors (310625535).

866481153 is a wasteful number, since it uses less digits than its factorization.

866481153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449623.

The product of its digits is 138240, while the sum is 42.

The square root of 866481153 is about 29436.0519261670. The cubic root of 866481153 is about 953.3514693139.

The spelling of 866481153 in words is "eight hundred sixty-six million, four hundred eighty-one thousand, one hundred fifty-three".