671043402626 has 8 divisors (see below), whose sum is σ = 1007628005520. Its totient is φ = 335167400788.

The previous prime is 671043402613. The next prime is 671043402643. The reversal of 671043402626 is 626204340176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177147896 + ... + 177151683.

It is an arithmetic number, because the mean of its divisors is an integer number (125953500690).

Almost surely, 2^671043402626 is an apocalyptic number.

671043402626 is a deficient number, since it is larger than the sum of its proper divisors (336584602894).

671043402626 is a wasteful number, since it uses less digits than its factorization.

671043402626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354300528.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 671043402626 in words is "six hundred seventy-one billion, forty-three million, four hundred two thousand, six hundred twenty-six".