268213516 has 12 divisors (see below), whose sum is σ = 469858032. Its totient is φ = 133968368.

The previous prime is 268213507. The next prime is 268213541. The reversal of 268213516 is 615312862.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30175 + ... + 38038.

It is an arithmetic number, because the mean of its divisors is an integer number (39154836).

Almost surely, 2^268213516 is an apocalyptic number.

It is an amenable number.

268213516 is a deficient number, since it is larger than the sum of its proper divisors (201644516).

268213516 is a wasteful number, since it uses less digits than its factorization.

268213516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69200 (or 69198 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 268213516 is about 16377.2255281534. The cubic root of 268213516 is about 644.9017465464.

The spelling of 268213516 in words is "two hundred sixty-eight million, two hundred thirteen thousand, five hundred sixteen".