133673310219648 has 128 divisors (see below), whose sum is σ = 355733232624000. Its totient is φ = 44474554621952.

The previous prime is 133673310219583. The next prime is 133673310219661. The reversal of 133673310219648 is 846912013376331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733012063 + ... + 733194401.

It is an arithmetic number, because the mean of its divisors is an integer number (2779165879875).

Almost surely, 2^{133673310219648} 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 133673310219648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177866616312000).

133673310219648 is an abundant number, since it is smaller than the sum of its proper divisors (222059922404352).

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

133673310219648 is a wasteful number, since it uses less digits than its factorization.

133673310219648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185912 (or 185900 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 133673310219648 in words is "one hundred thirty-three trillion, six hundred seventy-three billion, three hundred ten million, two hundred nineteen thousand, six hundred forty-eight".