866008152 has 96 divisors (see below), whose sum is σ = 2555590800. Its totient is φ = 271669248.

The previous prime is 866008127. The next prime is 866008159. The reversal of 866008152 is 251800668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866008159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55488 + ... + 69360.

Almost surely, 2^866008152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866008152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277795400).

866008152 is an abundant number, since it is smaller than the sum of its proper divisors (1689582648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866008152 is a wasteful number, since it uses less digits than its factorization.

866008152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13922 (or 13895 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 866008152 is about 29428.0164469167. The cubic root of 866008152 is about 953.1779636063.

The spelling of 866008152 in words is "eight hundred sixty-six million, eight thousand, one hundred fifty-two".