27116626543 has 8 divisors (see below), whose sum is σ = 28716983568. Its totient is φ = 25516854144.

The previous prime is 27116626529. The next prime is 27116626553. The reversal of 27116626543 is 34562661172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27116626543 is a prime.

It is a super-2 number, since 2×27116626543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27116626543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27116626513) by changing a digit.

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, 48796 + ... + 237937.

It is an arithmetic number, because the mean of its divisors is an integer number (3589622946).

Almost surely, 2^27116626543 is an apocalyptic number.

27116626543 is a deficient number, since it is larger than the sum of its proper divisors (1600357025).

27116626543 is a wasteful number, since it uses less digits than its factorization.

27116626543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292313.

The product of its digits is 362880, while the sum is 43.

The spelling of 27116626543 in words is "twenty-seven billion, one hundred sixteen million, six hundred twenty-six thousand, five hundred forty-three".