268016704209 has 48 divisors (see below), whose sum is σ = 406078358400. Its totient is φ = 170017360128.

The previous prime is 268016704201. The next prime is 268016704237. The reversal of 268016704209 is 902407610862.

It is a happy number.

268016704209 is a `hidden beast` number, since 2 + 68 + 0 + 167 + 0 + 420 + 9 = 666.

It is not a de Polignac number, because 268016704209 - 2³ = 268016704201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268016704201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93809109 + ... + 93811965.

It is an arithmetic number, because the mean of its divisors is an integer number (8459965800).

Almost surely, 2^268016704209 is an apocalyptic number.

It is an amenable number.

268016704209 is a deficient number, since it is larger than the sum of its proper divisors (138061654191).

268016704209 is a wasteful number, since it uses less digits than its factorization.

268016704209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 268016704209 in words is "two hundred sixty-eight billion, sixteen million, seven hundred four thousand, two hundred nine".