67422169296 has 120 divisors (see below), whose sum is σ = 191009861640. Its totient is φ = 22198099968.

The previous prime is 67422169291. The next prime is 67422169307. The reversal of 67422169296 is 69296122476.

67422169296 is a `hidden beast` number, since 6 + 74 + 221 + 69 + 296 = 666.

67422169296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10379534400 + 57042634896 = 101880^2 + 238836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67422169291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15543640 + ... + 15547976.

It is an arithmetic number, because the mean of its divisors is an integer number (1591748847).

Almost surely, 2^67422169296 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 67422169296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95504930820).

67422169296 is an abundant number, since it is smaller than the sum of its proper divisors (123587692344).

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

67422169296 is a wasteful number, since it uses less digits than its factorization.

67422169296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5644 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 67422169296 in words is "sixty-seven billion, four hundred twenty-two million, one hundred sixty-nine thousand, two hundred ninety-six".