268297585881 has 16 divisors (see below), whose sum is σ = 386090834304. Its totient is φ = 164744913024.

The previous prime is 268297585879. The next prime is 268297585903. The reversal of 268297585881 is 188585792862.

It is not a de Polignac number, because 268297585881 - 2¹ = 268297585879 is a prime.

It is a super-2 number, since 2×268297585881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268297585081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7508901 + ... + 7544546.

It is an arithmetic number, because the mean of its divisors is an integer number (24130677144).

Almost surely, 2^268297585881 is an apocalyptic number.

It is an amenable number.

268297585881 is a deficient number, since it is larger than the sum of its proper divisors (117793248423).

268297585881 is a wasteful number, since it uses less digits than its factorization.

268297585881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053920.

The product of its digits is 154828800, while the sum is 69.

The spelling of 268297585881 in words is "two hundred sixty-eight billion, two hundred ninety-seven million, five hundred eighty-five thousand, eight hundred eighty-one".