338385872687668 has 24 divisors (see below), whose sum is σ = 637779482671968. Its totient is φ = 156165296457696.

The previous prime is 338385872687609. The next prime is 338385872687669. The reversal of 338385872687668 is 866786278583833.

It is a super-2 number, since 2×338385872687668² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338385872687669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265997446 + ... + 267266557.

It is an arithmetic number, because the mean of its divisors is an integer number (26574145111332).

Almost surely, 2^{338385872687668} is an apocalyptic number.

It is an amenable number.

338385872687668 is a deficient number, since it is larger than the sum of its proper divisors (299393609984300).

338385872687668 is a wasteful number, since it uses less digits than its factorization.

338385872687668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533276223 (or 533276221 counting only the distinct ones).

The product of its digits is 93640458240, while the sum is 88.

The spelling of 338385872687668 in words is "three hundred thirty-eight trillion, three hundred eighty-five billion, eight hundred seventy-two million, six hundred eighty-seven thousand, six hundred sixty-eight".