27153585165 has 32 divisors (see below), whose sum is σ = 50863309056. Its totient is φ = 12110307840.

The previous prime is 27153585073. The next prime is 27153585187. The reversal of 27153585165 is 56158535172.

It is not a de Polignac number, because 27153585165 - 2¹² = 27153581069 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 3149422 + ... + 3158031.

It is an arithmetic number, because the mean of its divisors is an integer number (1589478408).

Almost surely, 2^27153585165 is an apocalyptic number.

It is an amenable number.

27153585165 is a deficient number, since it is larger than the sum of its proper divisors (23709723891).

27153585165 is a wasteful number, since it uses less digits than its factorization.

27153585165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307509.

The product of its digits is 1260000, while the sum is 48.

The spelling of 27153585165 in words is "twenty-seven billion, one hundred fifty-three million, five hundred eighty-five thousand, one hundred sixty-five".