27660155612 has 12 divisors (see below), whose sum is σ = 48444860016. Its totient is φ = 13818767040.

The previous prime is 27660155599. The next prime is 27660155651. The reversal of 27660155612 is 21655106672.

It is a self number, because there is not a number n which added to its sum of digits gives 27660155612.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2822189 + ... + 2831972.

It is an arithmetic number, because the mean of its divisors is an integer number (4037071668).

Almost surely, 2^27660155612 is an apocalyptic number.

It is an amenable number.

27660155612 is a deficient number, since it is larger than the sum of its proper divisors (20784704404).

27660155612 is a wasteful number, since it uses less digits than its factorization.

27660155612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655388 (or 5655386 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 27660155612 in words is "twenty-seven billion, six hundred sixty million, one hundred fifty-five thousand, six hundred twelve".