210117210716 has 96 divisors (see below), whose sum is σ = 446189990400. Its totient is φ = 84572328960.

The previous prime is 210117210707. The next prime is 210117210749. The reversal of 210117210716 is 617012711012.

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, 70768880 + ... + 70771848.

It is an arithmetic number, because the mean of its divisors is an integer number (4647812400).

Almost surely, 2^210117210716 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 210117210716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223094995200).

210117210716 is an abundant number, since it is smaller than the sum of its proper divisors (236072779684).

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

210117210716 is a wasteful number, since it uses less digits than its factorization.

210117210716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 29.

Adding to 210117210716 its reverse (617012711012), we get a palindrome (827129921728).

The spelling of 210117210716 in words is "two hundred ten billion, one hundred seventeen million, two hundred ten thousand, seven hundred sixteen".