17006661 has 12 divisors (see below), whose sum is σ = 28074592. Its totient is φ = 9718056.

The previous prime is 17006659. The next prime is 17006663. The reversal of 17006661 is 16660071.

It is an interprime number because it is at equal distance from previous prime (17006659) and next prime (17006663).

It is not a de Polignac number, because 17006661 - 2¹ = 17006659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17006663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134911 + ... + 135036.

Almost surely, 2^17006661 is an apocalyptic number.

It is an amenable number.

17006661 is a deficient number, since it is larger than the sum of its proper divisors (11067931).

17006661 is a wasteful number, since it uses less digits than its factorization.

17006661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269960 (or 269957 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 17006661 is about 4123.9133114070. The cubic root of 17006661 is about 257.1617376348.

The spelling of 17006661 in words is "seventeen million, six thousand, six hundred sixty-one".