67557831512034 has 16 divisors (see below), whose sum is σ = 135121134254688. Its totient is φ = 22518365298912.

The previous prime is 67557831512033. The next prime is 67557831512047. The reversal of 67557831512034 is 43021513875576.

It is a happy number.

67557831512034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (67557831512033) 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, 227807412 + ... + 228103775.

It is an arithmetic number, because the mean of its divisors is an integer number (8445070890918).

Almost surely, 2^{67557831512034} is an apocalyptic number.

67557831512034 is an abundant number, since it is smaller than the sum of its proper divisors (67563302742654).

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

67557831512034 is a wasteful number, since it uses less digits than its factorization.

67557831512034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455935889.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 67557831512034 in words is "sixty-seven trillion, five hundred fifty-seven billion, eight hundred thirty-one million, five hundred twelve thousand, thirty-four".