671126244 has 12 divisors (see below), whose sum is σ = 1565961264. Its totient is φ = 223708744.

The previous prime is 671126179. The next prime is 671126249. The reversal of 671126244 is 442621176.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (671126249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27963582 + ... + 27963605.

It is an arithmetic number, because the mean of its divisors is an integer number (130496772).

Almost surely, 2^671126244 is an apocalyptic number.

It is an amenable number.

671126244 is an abundant number, since it is smaller than the sum of its proper divisors (894835020).

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

671126244 is a wasteful number, since it uses less digits than its factorization.

671126244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55927194 (or 55927192 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 671126244 is about 25906.1043771540. The cubic root of 671126244 is about 875.5240372209.

The spelling of 671126244 in words is "six hundred seventy-one million, one hundred twenty-six thousand, two hundred forty-four".