6863646000 has 160 divisors (see below), whose sum is σ = 22668924096. Its totient is φ = 1785600000.

The previous prime is 6863645981. The next prime is 6863646001. The reversal of 6863646000 is 6463686.

It is a self number, because there is not a number n which added to its sum of digits gives 6863646000.

It is not an unprimeable number, because it can be changed into a prime (6863646001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232050 + ... + 259950.

Almost surely, 2^6863646000 is an apocalyptic number.

6863646000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6863646000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11334462048).

6863646000 is an abundant number, since it is smaller than the sum of its proper divisors (15805278096).

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

6863646000 is a wasteful number, since it uses less digits than its factorization.

6863646000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27968 (or 27952 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 6863646000 is about 82847.1242711538. The cubic root of 6863646000 is about 1900.4288967121.

The spelling of 6863646000 in words is "six billion, eight hundred sixty-three million, six hundred forty-six thousand".