210068968 has 8 divisors (see below), whose sum is σ = 393879330. Its totient is φ = 105034480.

The previous prime is 210068951. The next prime is 210069001. The reversal of 210068968 is 869860012.

It can be written as a sum of positive squares in only one way, i.e., 118330884 + 91738084 = 10878^2 + 9578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 210068968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13129303 + ... + 13129318.

Almost surely, 2^210068968 is an apocalyptic number.

It is an amenable number.

210068968 is a deficient number, since it is larger than the sum of its proper divisors (183810362).

210068968 is a wasteful number, since it uses less digits than its factorization.

210068968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26258627 (or 26258623 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 210068968 is about 14493.7561729180. The cubic root of 210068968 is about 594.4572580604.

The spelling of 210068968 in words is "two hundred ten million, sixty-eight thousand, nine hundred sixty-eight".