268600138631 has 32 divisors (see below), whose sum is σ = 320332824576. Its totient is φ = 222656940000.

The previous prime is 268600138591. The next prime is 268600138643. The reversal of 268600138631 is 136831006862.

It is not a de Polignac number, because 268600138631 - 2¹⁰ = 268600137607 is a prime.

It is a super-2 number, since 2×268600138631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268600138661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269906 + ... + 781056.

It is an arithmetic number, because the mean of its divisors is an integer number (10010400768).

Almost surely, 2^268600138631 is an apocalyptic number.

268600138631 is a deficient number, since it is larger than the sum of its proper divisors (51732685945).

268600138631 is a wasteful number, since it uses less digits than its factorization.

268600138631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511283.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 268600138631 in words is "two hundred sixty-eight billion, six hundred million, one hundred thirty-eight thousand, six hundred thirty-one".