671604003012 has 48 divisors (see below), whose sum is σ = 1635570865152. Its totient is φ = 214087320480.

The previous prime is 671604003001. The next prime is 671604003019. The reversal of 671604003012 is 210300406176.

It is not an unprimeable number, because it can be changed into a prime (671604003019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994087 + ... + 1526897.

It is an arithmetic number, because the mean of its divisors is an integer number (34074393024).

Almost surely, 2^671604003012 is an apocalyptic number.

It is an amenable number.

671604003012 is an abundant number, since it is smaller than the sum of its proper divisors (963966862140).

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

671604003012 is a wasteful number, since it uses less digits than its factorization.

671604003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537408 (or 537406 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 671604003012 its reverse (210300406176), we get a palindrome (881904409188).

The spelling of 671604003012 in words is "six hundred seventy-one billion, six hundred four million, three thousand, twelve".