67106231472 has 120 divisors (see below), whose sum is σ = 204214310400. Its totient is φ = 18930457728.

The previous prime is 67106231471. The next prime is 67106231509. The reversal of 67106231472 is 27413260176.

It is a self number, because there is not a number n which added to its sum of digits gives 67106231472.

It is not an unprimeable number, because it can be changed into a prime (67106231471) 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 23 ways as a sum of consecutive naturals, for example, 5229 + ... + 366387.

It is an arithmetic number, because the mean of its divisors is an integer number (1701785920).

Almost surely, 2^67106231472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67106231472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102107155200).

67106231472 is an abundant number, since it is smaller than the sum of its proper divisors (137108078928).

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

67106231472 is a wasteful number, since it uses less digits than its factorization.

67106231472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361263 (or 361250 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 67106231472 in words is "sixty-seven billion, one hundred six million, two hundred thirty-one thousand, four hundred seventy-two".