68137547056537 has 16 divisors (see below), whose sum is σ = 79460984710912. Its totient is φ = 57222081676800.

The previous prime is 68137547056517. The next prime is 68137547056577. The reversal of 68137547056537 is 73565074573186.

68137547056537 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 68137547056537 - 2⁷ = 68137547056409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68137547056517) 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 15 ways as a sum of consecutive naturals, for example, 441451248 + ... + 441605569.

It is an arithmetic number, because the mean of its divisors is an integer number (4966311544432).

Almost surely, 2^{68137547056537} is an apocalyptic number.

It is an amenable number.

68137547056537 is a deficient number, since it is larger than the sum of its proper divisors (11323437654375).

68137547056537 is a wasteful number, since it uses less digits than its factorization.

68137547056537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883057048.

The product of its (nonzero) digits is 444528000, while the sum is 67.

The spelling of 68137547056537 in words is "sixty-eight trillion, one hundred thirty-seven billion, five hundred forty-seven million, fifty-six thousand, five hundred thirty-seven".