17661150616117 has 8 divisors (see below), whose sum is σ = 17922225473280. Its totient is φ = 17400418155120.

The previous prime is 17661150616091. The next prime is 17661150616129. The reversal of 17661150616117 is 71161605116671.

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-17661150616117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17661150616717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85495117 + ... + 85701442.

It is an arithmetic number, because the mean of its divisors is an integer number (2240278184160).

Almost surely, 2^{17661150616117} is an apocalyptic number.

It is an amenable number.

17661150616117 is a deficient number, since it is larger than the sum of its proper divisors (261074857163).

17661150616117 is a wasteful number, since it uses less digits than its factorization.

17661150616117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171198083.

The product of its (nonzero) digits is 317520, while the sum is 49.

The spelling of 17661150616117 in words is "seventeen trillion, six hundred sixty-one billion, one hundred fifty million, six hundred sixteen thousand, one hundred seventeen".