268315617 has 8 divisors (see below), whose sum is σ = 358340224. Its totient is φ = 178584048.

The previous prime is 268315613. The next prime is 268315643. The reversal of 268315617 is 716513862.

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

It is not a de Polignac number, because 268315617 - 2² = 268315613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268315613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71113 + ... + 74790.

It is an arithmetic number, because the mean of its divisors is an integer number (44792528).

Almost surely, 2^268315617 is an apocalyptic number.

It is an amenable number.

268315617 is a deficient number, since it is larger than the sum of its proper divisors (90024607).

268315617 is a wasteful number, since it uses less digits than its factorization.

268315617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146519.

The product of its digits is 60480, while the sum is 39.

The square root of 268315617 is about 16380.3423956888. The cubic root of 268315617 is about 644.9835678766.

The spelling of 268315617 in words is "two hundred sixty-eight million, three hundred fifteen thousand, six hundred seventeen".