268159331 has 16 divisors (see below), whose sum is σ = 317875200. Its totient is φ = 223495200.

The previous prime is 268159321. The next prime is 268159351. The reversal of 268159331 is 133951862.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 268159331 - 2¹⁰ = 268158307 is a prime.

It is a super-2 number, since 2×268159331² = 143818853604735122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268159321) 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 15 ways as a sum of consecutive naturals, for example, 14216 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (19867200).

Almost surely, 2^268159331 is an apocalyptic number.

268159331 is a deficient number, since it is larger than the sum of its proper divisors (49715869).

268159331 is a wasteful number, since it uses less digits than its factorization.

268159331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41450.

The product of its digits is 38880, while the sum is 38.

The square root of 268159331 is about 16375.5711656113. The cubic root of 268159331 is about 644.8583155329.

The spelling of 268159331 in words is "two hundred sixty-eight million, one hundred fifty-nine thousand, three hundred thirty-one".