27001663 has 8 divisors (see below), whose sum is σ = 29127168. Its totient is φ = 24883104.

The previous prime is 27001649. The next prime is 27001673. The reversal of 27001663 is 36610072.

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

It is a cyclic number.

It is not a de Polignac number, because 27001663 - 2²¹ = 24904511 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27001633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (3640896).

Almost surely, 2^27001663 is an apocalyptic number.

27001663 is a deficient number, since it is larger than the sum of its proper divisors (2125505).

27001663 is a wasteful number, since it uses less digits than its factorization.

27001663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 27001663 is about 5196.3124424923. The cubic root of 27001663 is about 300.0061591328.

The spelling of 27001663 in words is "twenty-seven million, one thousand, six hundred sixty-three".