673868160 has 384 divisors, whose sum is σ = 2762323200. Its totient is φ = 153778176.

The previous prime is 673868147. The next prime is 673868189. The reversal of 673868160 is 61868376.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088331 + ... + 1088949.

It is an arithmetic number, because the mean of its divisors is an integer number (7193550).

Almost surely, 2^673868160 is an apocalyptic number.

673868160 is a gapful number since it is divisible by the number (60) 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 673868160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381161600).

673868160 is an abundant number, since it is smaller than the sum of its proper divisors (2088455040).

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

673868160 is an equidigital number, since it uses as much as digits as its factorization.

673868160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 673868160 is about 25958.9707037856. The cubic root of 673868160 is about 876.7147478693.

The spelling of 673868160 in words is "six hundred seventy-three million, eight hundred sixty-eight thousand, one hundred sixty".