671567192004 has 48 divisors (see below), whose sum is σ = 1586001025728. Its totient is φ = 221140334208.

The previous prime is 671567192003. The next prime is 671567192011. The reversal of 671567192004 is 400291765176.

It is a super-2 number, since 2×671567192004² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671567192003) by changing a digit.

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, 17507454 + ... + 17545770.

It is an arithmetic number, because the mean of its divisors is an integer number (33041688036).

Almost surely, 2^671567192004 is an apocalyptic number.

It is an amenable number.

671567192004 is an abundant number, since it is smaller than the sum of its proper divisors (914433833724).

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

671567192004 is a wasteful number, since it uses less digits than its factorization.

671567192004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56004 (or 56002 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 671567192004 in words is "six hundred seventy-one billion, five hundred sixty-seven million, one hundred ninety-two thousand, four".