670671543520 has 384 divisors, whose sum is σ = 1832621801472. Its totient is φ = 229659494400.

The previous prime is 670671543517. The next prime is 670671543559. The reversal of 670671543520 is 25345176076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1142540667 + ... + 1142541253.

It is an arithmetic number, because the mean of its divisors is an integer number (4772452608).

Almost surely, 2^670671543520 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 670671543520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916310900736).

670671543520 is an abundant number, since it is smaller than the sum of its proper divisors (1161950257952).

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

670671543520 is a wasteful number, since it uses less digits than its factorization.

670671543520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 670671543520 in words is "six hundred seventy billion, six hundred seventy-one million, five hundred forty-three thousand, five hundred twenty".