673651772416 has 352 divisors, whose sum is σ = 1694694334464. Its totient is φ = 260997120000.

The previous prime is 673651772393. The next prime is 673651772459. The reversal of 673651772416 is 614277156376.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570407346 + ... + 570408526.

Almost surely, 2^673651772416 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 673651772416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847347167232).

673651772416 is an abundant number, since it is smaller than the sum of its proper divisors (1021042562048).

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

673651772416 is a wasteful number, since it uses less digits than its factorization.

673651772416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1389 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 55.

The spelling of 673651772416 in words is "six hundred seventy-three billion, six hundred fifty-one million, seven hundred seventy-two thousand, four hundred sixteen".