268668866862 has 96 divisors (see below), whose sum is σ = 655616692224. Its totient is φ = 78799262400.

The previous prime is 268668866861. The next prime is 268668866867.

268668866862 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×268668866862² (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 (268668866861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1303263 + ... + 1495269.

It is an arithmetic number, because the mean of its divisors is an integer number (6829340544).

Almost surely, 2^268668866862 is an apocalyptic number.

268668866862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 268668866862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327808346112).

268668866862 is an abundant number, since it is smaller than the sum of its proper divisors (386947825362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268668866862 is a wasteful number, since it uses less digits than its factorization.

268668866862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192254 (or 192251 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 72.

The spelling of 268668866862 in words is "two hundred sixty-eight billion, six hundred sixty-eight million, eight hundred sixty-six thousand, eight hundred sixty-two".