673553355376 has 120 divisors (see below), whose sum is σ = 1442325935232. Its totient is φ = 304480809600.

The previous prime is 673553355323. The next prime is 673553355413.

673553355376 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 673553355376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338979055 + ... + 338981041.

Almost surely, 2^673553355376 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 673553355376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721162967616).

673553355376 is an abundant number, since it is smaller than the sum of its proper divisors (768772579856).

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

673553355376 is a wasteful number, since it uses less digits than its factorization.

673553355376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2874 counting only the distinct ones).

The product of its digits is 89302500, while the sum is 58.

The spelling of 673553355376 in words is "six hundred seventy-three billion, five hundred fifty-three million, three hundred fifty-five thousand, three hundred seventy-six".