268553748206 has 16 divisors (see below), whose sum is σ = 423369072000. Its totient is φ = 127514726328.

The previous prime is 268553748191. The next prime is 268553748217. The reversal of 268553748206 is 602847355862.

It is a super-2 number, since 2×268553748206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20994056 + ... + 21006843.

It is an arithmetic number, because the mean of its divisors is an integer number (26460567000).

Almost surely, 2^268553748206 is an apocalyptic number.

268553748206 is a deficient number, since it is larger than the sum of its proper divisors (154815323794).

268553748206 is a wasteful number, since it uses less digits than its factorization.

268553748206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42001063.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 268553748206 in words is "two hundred sixty-eight billion, five hundred fifty-three million, seven hundred forty-eight thousand, two hundred six".