27041661 has 16 divisors (see below), whose sum is σ = 40185600. Its totient is φ = 17972064.

The previous prime is 27041653. The next prime is 27041683. The reversal of 27041661 is 16614072.

It is not a de Polignac number, because 27041661 - 2³ = 27041653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27040661) 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 15 ways as a sum of consecutive naturals, for example, 8545 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 2^27041661 is an apocalyptic number.

It is an amenable number.

27041661 is a deficient number, since it is larger than the sum of its proper divisors (13143939).

27041661 is a wasteful number, since it uses less digits than its factorization.

27041661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27041661 is about 5200.1597090859. The cubic root of 27041661 is about 300.1542207063.

The spelling of 27041661 in words is "twenty-seven million, forty-one thousand, six hundred sixty-one".