1673716320000 has 270 divisors, whose sum is σ = 6030245853632. Its totient is φ = 446323968000.

The previous prime is 1673716319987. The next prime is 1673716320019. The reversal of 1673716320000 is 236173761.

1673716320000 is a `hidden beast` number, since 16 + 7 + 3 + 7 + 1 + 632 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 858849 + ... + 2021151.

Almost surely, 2^{1673716320000} is an apocalyptic number.

1673716320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673716320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3015122926816).

1673716320000 is an abundant number, since it is smaller than the sum of its proper divisors (4356529533632).

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

1673716320000 is an equidigital number, since it uses as much as digits as its factorization.

1673716320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162345 (or 1162313 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 1673716320000 in words is "one trillion, six hundred seventy-three billion, seven hundred sixteen million, three hundred twenty thousand".