67711798106442 has 96 divisors (see below), whose sum is σ = 168732452328960. Its totient is φ = 19223378330400.

The previous prime is 67711798106431. The next prime is 67711798106443. The reversal of 67711798106442 is 24460189711776.

67711798106442 is a `hidden beast` number, since 6 + 7 + 7 + 1 + 179 + 8 + 10 + 6 + 442 = 666.

67711798106442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 67711798106442.

It is not an unprimeable number, because it can be changed into a prime (67711798106443) 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 47 ways as a sum of consecutive naturals, for example, 95167809 + ... + 95876667.

It is an arithmetic number, because the mean of its divisors is an integer number (1757629711760).

Almost surely, 2^{67711798106442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67711798106442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84366226164480).

67711798106442 is an abundant number, since it is smaller than the sum of its proper divisors (101020654222518).

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

67711798106442 is a wasteful number, since it uses less digits than its factorization.

67711798106442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713688 (or 713685 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 67711798106442 in words is "sixty-seven trillion, seven hundred eleven billion, seven hundred ninety-eight million, one hundred six thousand, four hundred forty-two".