671169312 has 72 divisors (see below), whose sum is σ = 2082160080. Its totient is φ = 203383680.

The previous prime is 671169293. The next prime is 671169329. The reversal of 671169312 is 213961176.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102762 + ... + 109097.

It is an arithmetic number, because the mean of its divisors is an integer number (28918890).

Almost surely, 2^671169312 is an apocalyptic number.

It is an amenable number.

671169312 is an abundant number, since it is smaller than the sum of its proper divisors (1410990768).

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

671169312 is a wasteful number, since it uses less digits than its factorization.

671169312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211886 (or 211875 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 671169312 is about 25906.9355964769. The cubic root of 671169312 is about 875.5427650747.

The spelling of 671169312 in words is "six hundred seventy-one million, one hundred sixty-nine thousand, three hundred twelve".