671055168 has 112 divisors (see below), whose sum is σ = 2039152640. Its totient is φ = 190785024.

The previous prime is 671055149. The next prime is 671055179. The reversal of 671055168 is 861550176.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298593 + ... + 300831.

It is an arithmetic number, because the mean of its divisors is an integer number (18206720).

Almost surely, 2^671055168 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 671055168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019576320).

671055168 is an abundant number, since it is smaller than the sum of its proper divisors (1368097472).

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

671055168 is a wasteful number, since it uses less digits than its factorization.

671055168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 671055168 is about 25904.7325405996. The cubic root of 671055168 is about 875.4931285089.

The spelling of 671055168 in words is "six hundred seventy-one million, fifty-five thousand, one hundred sixty-eight".