673663174518432 has 192 divisors, whose sum is σ = 2033567324135424. Its totient is φ = 191280002135040.

The previous prime is 673663174518427. The next prime is 673663174518449. The reversal of 673663174518432 is 234815471366376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92484273 + ... + 99502095.

It is an arithmetic number, because the mean of its divisors is an integer number (10591496479872).

Almost surely, 2^{673663174518432} 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 673663174518432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016783662067712).

673663174518432 is an abundant number, since it is smaller than the sum of its proper divisors (1359904149616992).

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

673663174518432 is a wasteful number, since it uses less digits than its factorization.

673663174518432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018731 (or 7018723 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 66.

The spelling of 673663174518432 in words is "six hundred seventy-three trillion, six hundred sixty-three billion, one hundred seventy-four million, five hundred eighteen thousand, four hundred thirty-two".