106600116661 has 2 divisors, whose sum is σ = 106600116662. Its totient is φ = 106600116660.

The previous prime is 106600116659. The next prime is 106600116691. The reversal of 106600116661 is 166611006601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101127816036 + 5472300625 = 318006^2 + 73975^2 .

It is a cyclic number.

It is not a de Polignac number, because 106600116661 - 2¹ = 106600116659 is a prime.

It is a super-2 number, since 2×106600116661² (a number of 23 digits) contains 22 as substring.

Together with 106600116659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106600116631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53300058330 + 53300058331.

It is an arithmetic number, because the mean of its divisors is an integer number (53300058331).

Almost surely, 2^106600116661 is an apocalyptic number.

It is an amenable number.

106600116661 is a deficient number, since it is larger than the sum of its proper divisors (1).

106600116661 is an equidigital number, since it uses as much as digits as its factorization.

106600116661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 106600116661 in words is "one hundred six billion, six hundred million, one hundred sixteen thousand, six hundred sixty-one".