16710605661 has 8 divisors (see below), whose sum is σ = 22352451264. Its totient is φ = 11104581920.

The previous prime is 16710605629. The next prime is 16710605663. The reversal of 16710605661 is 16650601761.

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 16710605661 - 2⁵ = 16710605629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16710605663) 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, 8954376 + ... + 8956241.

It is an arithmetic number, because the mean of its divisors is an integer number (2794056408).

Almost surely, 2^16710605661 is an apocalyptic number.

It is an amenable number.

16710605661 is a deficient number, since it is larger than the sum of its proper divisors (5641845603).

16710605661 is a wasteful number, since it uses less digits than its factorization.

16710605661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17910931.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 16710605661 in words is "sixteen billion, seven hundred ten million, six hundred five thousand, six hundred sixty-one".