268213615 has 8 divisors (see below), whose sum is σ = 321972048. Its totient is φ = 214493760.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213615 is 516312862.

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

It is not a de Polignac number, because 268213615 - 2¹³ = 268205423 is a prime.

It is a Duffinian number.

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, 8899 + ... + 24811.

It is an arithmetic number, because the mean of its divisors is an integer number (40246506).

Almost surely, 2^268213615 is an apocalyptic number.

268213615 is a deficient number, since it is larger than the sum of its proper divisors (53758433).

268213615 is a wasteful number, since it uses less digits than its factorization.

268213615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19289.

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

The square root of 268213615 is about 16377.2285506431. The cubic root of 268213615 is about 644.9018258928.

The spelling of 268213615 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred fifteen".