27165563494 has 16 divisors (see below), whose sum is σ = 41040136800. Its totient is φ = 13485614400.

The previous prime is 27165563473. The next prime is 27165563543. The reversal of 27165563494 is 49436556172.

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 7 ways as a sum of consecutive naturals, for example, 565522 + ... + 611674.

It is an arithmetic number, because the mean of its divisors is an integer number (2565008550).

Almost surely, 2^27165563494 is an apocalyptic number.

27165563494 is a deficient number, since it is larger than the sum of its proper divisors (13874573306).

27165563494 is a wasteful number, since it uses less digits than its factorization.

27165563494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48255.

The product of its digits is 5443200, while the sum is 52.

The spelling of 27165563494 in words is "twenty-seven billion, one hundred sixty-five million, five hundred sixty-three thousand, four hundred ninety-four".