670348535808 has 384 divisors, whose sum is σ = 2164597344000. Its totient is φ = 180399636480.

The previous prime is 670348535749. The next prime is 670348535861. The reversal of 670348535808 is 808535843076.

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

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, 51129958 + ... + 51143066.

It is an arithmetic number, because the mean of its divisors is an integer number (5636972250).

Almost surely, 2^670348535808 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 670348535808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082298672000).

670348535808 is an abundant number, since it is smaller than the sum of its proper divisors (1494248808192).

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

670348535808 is a wasteful number, since it uses less digits than its factorization.

670348535808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211 (or 13191 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 670348535808 in words is "six hundred seventy billion, three hundred forty-eight million, five hundred thirty-five thousand, eight hundred eight".