67401112165140 has 192 divisors, whose sum is σ = 214056802310400. Its totient is φ = 15709038206976.

The previous prime is 67401112165097. The next prime is 67401112165171. The reversal of 67401112165140 is 4156121110476.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25241884 + ... + 27784076.

It is an arithmetic number, because the mean of its divisors is an integer number (1114879178700).

Almost surely, 2^{67401112165140} is an apocalyptic number.

67401112165140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67401112165140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107028401155200).

67401112165140 is an abundant number, since it is smaller than the sum of its proper divisors (146655690145260).

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

67401112165140 is a wasteful number, since it uses less digits than its factorization.

67401112165140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544026 (or 2544024 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 67401112165140 in words is "sixty-seven trillion, four hundred one billion, one hundred twelve million, one hundred sixty-five thousand, one hundred forty".