27112661 has 8 divisors (see below), whose sum is σ = 27840384. Its totient is φ = 26389440.

The previous prime is 27112649. The next prime is 27112663. The reversal of 27112661 is 16621172.

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-27112661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27112661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27112663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13556 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (3480048).

Almost surely, 2^27112661 is an apocalyptic number.

It is an amenable number.

27112661 is a deficient number, since it is larger than the sum of its proper divisors (727723).

27112661 is a wasteful number, since it uses less digits than its factorization.

27112661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its digits is 1008, while the sum is 26.

The square root of 27112661 is about 5206.9819473472. The cubic root of 27112661 is about 300.4166839433.

The spelling of 27112661 in words is "twenty-seven million, one hundred twelve thousand, six hundred sixty-one".