6671565223252 has 24 divisors (see below), whose sum is σ = 11734778369160. Its totient is φ = 3318772195200.

The previous prime is 6671565223223. The next prime is 6671565223283. The reversal of 6671565223252 is 2523225651766.

It can be written as a sum of positive squares in 4 ways, for example, as 1357774935696 + 5313790287556 = 1165236^2 + 2305166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6671565223252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49340874 + ... + 49475902.

It is an arithmetic number, because the mean of its divisors is an integer number (488949098715).

Almost surely, 2^{6671565223252} is an apocalyptic number.

It is an amenable number.

6671565223252 is a deficient number, since it is larger than the sum of its proper divisors (5063213145908).

6671565223252 is a wasteful number, since it uses less digits than its factorization.

6671565223252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197931 (or 197929 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 52.

The spelling of 6671565223252 in words is "six trillion, six hundred seventy-one billion, five hundred sixty-five million, two hundred twenty-three thousand, two hundred fifty-two".