67142640558 has 32 divisors (see below), whose sum is σ = 153554849280. Its totient is φ = 19172867040.

The previous prime is 67142640541. The next prime is 67142640559. The reversal of 67142640558 is 85504624176.

67142640558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×67142640558³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67142640559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371658 + ... + 521933.

It is an arithmetic number, because the mean of its divisors is an integer number (4798589040).

Almost surely, 2^67142640558 is an apocalyptic number.

67142640558 is an abundant number, since it is smaller than the sum of its proper divisors (86412208722).

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

67142640558 is a wasteful number, since it uses less digits than its factorization.

67142640558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895392.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 67142640558 in words is "sixty-seven billion, one hundred forty-two million, six hundred forty thousand, five hundred fifty-eight".