671230261130 has 80 divisors (see below), whose sum is σ = 1431264620520. Its totient is φ = 225307420800.

The previous prime is 671230261111. The next prime is 671230261147. The reversal of 671230261130 is 31162032176.

It can be written as a sum of positive squares in 4 ways, for example, as 483899705641 + 187330555489 = 695629^2 + 432817^2 .

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 39 ways as a sum of consecutive naturals, for example, 1727000 + ... + 2079660.

Almost surely, 2^671230261130 is an apocalyptic number.

671230261130 is an abundant number, since it is smaller than the sum of its proper divisors (760034359390).

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

671230261130 is a wasteful number, since it uses less digits than its factorization.

671230261130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352725 (or 352692 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 671230261130 in words is "six hundred seventy-one billion, two hundred thirty million, two hundred sixty-one thousand, one hundred thirty".