27146890185 has 48 divisors (see below), whose sum is σ = 44948486592. Its totient is φ = 13990354560.

The previous prime is 27146890157. The next prime is 27146890189. The reversal of 27146890185 is 58109864172.

It is not a de Polignac number, because 27146890185 - 2¹¹ = 27146888137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27146890189) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15754734 + ... + 15756456.

It is an arithmetic number, because the mean of its divisors is an integer number (936426804).

Almost surely, 2^27146890185 is an apocalyptic number.

It is an amenable number.

27146890185 is a deficient number, since it is larger than the sum of its proper divisors (17801596407).

27146890185 is a wasteful number, since it uses less digits than its factorization.

27146890185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 27146890185 in words is "twenty-seven billion, one hundred forty-six million, eight hundred ninety thousand, one hundred eighty-five".