110020166605 has 4 divisors (see below), whose sum is σ = 132024199932. Its totient is φ = 88016133280.

The previous prime is 110020166603. The next prime is 110020166611. The reversal of 110020166605 is 506661020011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75883169961 + 34136996644 = 275469^2 + 184762^2 .

It is not a de Polignac number, because 110020166605 - 2¹ = 110020166603 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 (110020166603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11002016656 + ... + 11002016665.

It is an arithmetic number, because the mean of its divisors is an integer number (33006049983).

Almost surely, 2^110020166605 is an apocalyptic number.

It is an amenable number.

110020166605 is a deficient number, since it is larger than the sum of its proper divisors (22004033327).

110020166605 is an equidigital number, since it uses as much as digits as its factorization.

110020166605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004033326.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 110020166605 its reverse (506661020011), we get a palindrome (616681186616).

The spelling of 110020166605 in words is "one hundred ten billion, twenty million, one hundred sixty-six thousand, six hundred five".