67312244160 has 392 divisors, whose sum is σ = 274659218016. Its totient is φ = 15385282560.

The previous prime is 67312244147. The next prime is 67312244183. The reversal of 67312244160 is 6144221376.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1612350 + ... + 1653570.

Almost surely, 2^67312244160 is an apocalyptic number.

67312244160 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 67312244160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137329609008).

67312244160 is an abundant number, since it is smaller than the sum of its proper divisors (207346973856).

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

67312244160 is an equidigital number, since it uses as much as digits as its factorization.

67312244160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41263 (or 41238 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 67312244160 in words is "sixty-seven billion, three hundred twelve million, two hundred forty-four thousand, one hundred sixty".