27666143324 has 48 divisors (see below), whose sum is σ = 49489725600. Its totient is φ = 13530141696.

The previous prime is 27666143293. The next prime is 27666143357. The reversal of 27666143324 is 42334166672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25879862 + ... + 25880930.

It is an arithmetic number, because the mean of its divisors is an integer number (1031035950).

Almost surely, 2^27666143324 is an apocalyptic number.

It is an amenable number.

27666143324 is a deficient number, since it is larger than the sum of its proper divisors (21823582276).

27666143324 is a wasteful number, since it uses less digits than its factorization.

27666143324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its digits is 870912, while the sum is 44.

The spelling of 27666143324 in words is "twenty-seven billion, six hundred sixty-six million, one hundred forty-three thousand, three hundred twenty-four".