257338668271336 has 16 divisors (see below), whose sum is σ = 482510259383940. Its totient is φ = 128669265768960.

The previous prime is 257338668271283. The next prime is 257338668271343. The reversal of 257338668271336 is 633172866833752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192679218239236 + 64659450032100 = 13880894^2 + 8041110^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9757560 + ... + 24695896.

Almost surely, 2^{257338668271336} is an apocalyptic number.

It is an amenable number.

257338668271336 is a deficient number, since it is larger than the sum of its proper divisors (225171591112604).

257338668271336 is a wasteful number, since it uses less digits than its factorization.

257338668271336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17091684 (or 17091680 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 70.

The spelling of 257338668271336 in words is "two hundred fifty-seven trillion, three hundred thirty-eight billion, six hundred sixty-eight million, two hundred seventy-one thousand, three hundred thirty-six".