52666644644 has 24 divisors (see below), whose sum is σ = 92288340480. Its totient is φ = 26298576864.

The previous prime is 52666644619. The next prime is 52666644671. The reversal of 52666644644 is 44644666625.

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, 15429482 + ... + 15432894.

It is an arithmetic number, because the mean of its divisors is an integer number (3845347520).

Almost surely, 2^52666644644 is an apocalyptic number.

It is an amenable number.

52666644644 is a deficient number, since it is larger than the sum of its proper divisors (39621695836).

52666644644 is a wasteful number, since it uses less digits than its factorization.

52666644644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379 (or 7377 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 53.

The spelling of 52666644644 in words is "fifty-two billion, six hundred sixty-six million, six hundred forty-four thousand, six hundred forty-four".