866232360 has 256 divisors, whose sum is σ = 3326400000. Its totient is φ = 196411392.

The previous prime is 866232359. The next prime is 866232397. The reversal of 866232360 is 63232668.

866232360 is a `hidden beast` number, since 8 + 6 + 623 + 23 + 6 + 0 = 666.

It is a super-2 number, since 2×866232360² = 1500717003022339200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1126056 + ... + 1126824.

It is an arithmetic number, because the mean of its divisors is an integer number (12993750).

Almost surely, 2^866232360 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 866232360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663200000).

866232360 is an abundant number, since it is smaller than the sum of its proper divisors (2460167640).

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

866232360 is a wasteful number, since it uses less digits than its factorization.

866232360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 866232360 is about 29431.8256314487. The cubic root of 866232360 is about 953.2602152125.

The spelling of 866232360 in words is "eight hundred sixty-six million, two hundred thirty-two thousand, three hundred sixty".