268674630557 has 16 divisors (see below), whose sum is σ = 281019041280. Its totient is φ = 256541544000.

The previous prime is 268674630517. The next prime is 268674630559. The reversal of 268674630557 is 755036476862.

268674630557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 268674630557 - 2³⁶ = 199955153821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268674630496 and 268674630505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268674630559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2474582 + ... + 2580872.

It is an arithmetic number, because the mean of its divisors is an integer number (17563690080).

Almost surely, 2^268674630557 is an apocalyptic number.

It is an amenable number.

268674630557 is a deficient number, since it is larger than the sum of its proper divisors (12344410723).

268674630557 is a wasteful number, since it uses less digits than its factorization.

268674630557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107284.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 268674630557 in words is "two hundred sixty-eight billion, six hundred seventy-four million, six hundred thirty thousand, five hundred fifty-seven".