67231951416672 has 384 divisors, whose sum is σ = 211243624704000. Its totient is φ = 18306060681216.

The previous prime is 67231951416577. The next prime is 67231951416677. The reversal of 67231951416672 is 27661415913276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67231951416677) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16604579704 + ... + 16604583752.

It is an arithmetic number, because the mean of its divisors is an integer number (550113606000).

Almost surely, 2^{67231951416672} 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 67231951416672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105621812352000).

67231951416672 is an abundant number, since it is smaller than the sum of its proper divisors (144011673287328).

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

67231951416672 is a wasteful number, since it uses less digits than its factorization.

67231951416672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798 (or 7790 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 67231951416672 in words is "sixty-seven trillion, two hundred thirty-one billion, nine hundred fifty-one million, four hundred sixteen thousand, six hundred seventy-two".