268216611217 has 8 divisors (see below), whose sum is σ = 268840797120. Its totient is φ = 267592950480.

The previous prime is 268216611211. The next prime is 268216611241. The reversal of 268216611217 is 712116612862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268216611217 - 2³ = 268216611209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268216611211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900759 + ... + 1160947.

It is an arithmetic number, because the mean of its divisors is an integer number (33605099640).

Almost surely, 2^268216611217 is an apocalyptic number.

It is an amenable number.

268216611217 is a deficient number, since it is larger than the sum of its proper divisors (624185903).

268216611217 is a wasteful number, since it uses less digits than its factorization.

268216611217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262583.

The product of its digits is 96768, while the sum is 43.

The spelling of 268216611217 in words is "two hundred sixty-eight billion, two hundred sixteen million, six hundred eleven thousand, two hundred seventeen".