673198891376 has 40 divisors (see below), whose sum is σ = 1422961912704. Its totient is φ = 305985677760.

The previous prime is 673198891373. The next prime is 673198891397.

673198891376 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673198891373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517285 + ... + 4663931.

Almost surely, 2^673198891376 is an apocalyptic number.

It is an amenable number.

673198891376 is an abundant number, since it is smaller than the sum of its proper divisors (749763021328).

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

673198891376 is a wasteful number, since it uses less digits than its factorization.

673198891376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172749 (or 172743 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 68.

The spelling of 673198891376 in words is "six hundred seventy-three billion, one hundred ninety-eight million, eight hundred ninety-one thousand, three hundred seventy-six".