671341228658 has 16 divisors (see below), whose sum is σ = 1020190500504. Its totient is φ = 331298697600.

The previous prime is 671341228639. The next prime is 671341228661. The reversal of 671341228658 is 856822143176.

It can be written as a sum of positive squares in 4 ways, for example, as 560136986929 + 111204241729 = 748423^2 + 333473^2 .

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 7 ways as a sum of consecutive naturals, for example, 5178035 + ... + 5306102.

Almost surely, 2^671341228658 is an apocalyptic number.

671341228658 is a deficient number, since it is larger than the sum of its proper divisors (348849271846).

671341228658 is a wasteful number, since it uses less digits than its factorization.

671341228658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484557.

The product of its digits is 3870720, while the sum is 53.

The spelling of 671341228658 in words is "six hundred seventy-one billion, three hundred forty-one million, two hundred twenty-eight thousand, six hundred fifty-eight".