268157711 has 8 divisors (see below), whose sum is σ = 284250384. Its totient is φ = 252100480.

The previous prime is 268157653. The next prime is 268157717. The reversal of 268157711 is 117751862.

It is a happy number.

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

It is not a de Polignac number, because 268157711 - 2¹⁴ = 268141327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268157717) 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, 7616 + ... + 24378.

It is an arithmetic number, because the mean of its divisors is an integer number (35531298).

Almost surely, 2^268157711 is an apocalyptic number.

268157711 is a deficient number, since it is larger than the sum of its proper divisors (16092673).

268157711 is a wasteful number, since it uses less digits than its factorization.

268157711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721.

The product of its digits is 23520, while the sum is 38.

The square root of 268157711 is about 16375.5217016131. The cubic root of 268157711 is about 644.8570169609.

The spelling of 268157711 in words is "two hundred sixty-eight million, one hundred fifty-seven thousand, seven hundred eleven".