210862855056 has 160 divisors (see below), whose sum is σ = 632959488000. Its totient is φ = 59245056000.

The previous prime is 210862855051. The next prime is 210862855067. The reversal of 210862855056 is 650558268012.

210862855056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 210862854996 and 210862855014.

It is not an unprimeable number, because it can be changed into a prime (210862855051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6646720 + ... + 6678368.

It is an arithmetic number, because the mean of its divisors is an integer number (3955996800).

Almost surely, 2^210862855056 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 210862855056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316479744000).

210862855056 is an abundant number, since it is smaller than the sum of its proper divisors (422096632944).

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

210862855056 is a wasteful number, since it uses less digits than its factorization.

210862855056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31997 (or 31991 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 210862855056 in words is "two hundred ten billion, eight hundred sixty-two million, eight hundred fifty-five thousand, fifty-six".