868143216 has 160 divisors (see below), whose sum is σ = 2451057408. Its totient is φ = 263761920.

The previous prime is 868143209. The next prime is 868143223. The reversal of 868143216 is 612341868.

It is an interprime number because it is at equal distance from previous prime (868143209) and next prime (868143223).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5325951 + ... + 5326113.

Almost surely, 2^868143216 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 868143216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225528704).

868143216 is an abundant number, since it is smaller than the sum of its proper divisors (1582914192).

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

868143216 is a wasteful number, since it uses less digits than its factorization.

868143216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 868143216 is about 29464.2701589569. The cubic root of 868143216 is about 953.9606451512.

The spelling of 868143216 in words is "eight hundred sixty-eight million, one hundred forty-three thousand, two hundred sixteen".