671575830860 has 48 divisors (see below), whose sum is σ = 1550263663872. Its totient is φ = 242345188800.

The previous prime is 671575830857. The next prime is 671575830923. The reversal of 671575830860 is 68038575176.

It is a junction number, because it is equal to n+sod(n) for n = 671575830796 and 671575830805.

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, 11622392 + ... + 11680031.

It is an arithmetic number, because the mean of its divisors is an integer number (32297159664).

Almost surely, 2^671575830860 is an apocalyptic number.

It is an amenable number.

671575830860 is an abundant number, since it is smaller than the sum of its proper divisors (878687833012).

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

671575830860 is a wasteful number, since it uses less digits than its factorization.

671575830860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23302574 (or 23302572 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 671575830860 in words is "six hundred seventy-one billion, five hundred seventy-five million, eight hundred thirty thousand, eight hundred sixty".