603809421680 has 80 divisors (see below), whose sum is σ = 1451287183104. Its totient is φ = 233386782720.

The previous prime is 603809421667. The next prime is 603809421791. The reversal of 603809421680 is 86124908306.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499144 + ... + 1858776.

Almost surely, 2^603809421680 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 603809421680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725643591552).

603809421680 is an abundant number, since it is smaller than the sum of its proper divisors (847477761424).

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

603809421680 is a wasteful number, since it uses less digits than its factorization.

603809421680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360354 (or 360348 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 603809421680 in words is "six hundred three billion, eight hundred nine million, four hundred twenty-one thousand, six hundred eighty".