16711666061 has 8 divisors (see below), whose sum is σ = 17069136384. Its totient is φ = 16354275120.

The previous prime is 16711666057. The next prime is 16711666129. The reversal of 16711666061 is 16066611761.

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 16711666061 - 2² = 16711666057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16711666021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631451 + ... + 657383.

It is an arithmetic number, because the mean of its divisors is an integer number (2133642048).

Almost surely, 2^16711666061 is an apocalyptic number.

It is an amenable number.

16711666061 is a deficient number, since it is larger than the sum of its proper divisors (357470323).

16711666061 is a wasteful number, since it uses less digits than its factorization.

16711666061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39691.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 16711666061 in words is "sixteen billion, seven hundred eleven million, six hundred sixty-six thousand, sixty-one".