670591168 has 112 divisors (see below), whose sum is σ = 1536192000. Its totient is φ = 287843328.

The previous prime is 670591153. The next prime is 670591169. The reversal of 670591168 is 861195076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (670591169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932313 + ... + 933031.

It is an arithmetic number, because the mean of its divisors is an integer number (13716000).

Almost surely, 2^670591168 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 670591168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768096000).

670591168 is an abundant number, since it is smaller than the sum of its proper divisors (865600832).

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

670591168 is a wasteful number, since it uses less digits than its factorization.

670591168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 670591168 is about 25895.7750994250. The cubic root of 670591168 is about 875.2912958848.

The spelling of 670591168 in words is "six hundred seventy million, five hundred ninety-one thousand, one hundred sixty-eight".