268687107951 has 16 divisors (see below), whose sum is σ = 361583080320. Its totient is φ = 177458364000.

The previous prime is 268687107947. The next prime is 268687107967. The reversal of 268687107951 is 159701786862.

It is not a de Polignac number, because 268687107951 - 2² = 268687107947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268687107901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2685576 + ... + 2783826.

It is an arithmetic number, because the mean of its divisors is an integer number (22598942520).

Almost surely, 2^268687107951 is an apocalyptic number.

268687107951 is a deficient number, since it is larger than the sum of its proper divisors (92895972369).

268687107951 is a wasteful number, since it uses less digits than its factorization.

268687107951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106726.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 268687107951 in words is "two hundred sixty-eight billion, six hundred eighty-seven million, one hundred seven thousand, nine hundred fifty-one".