110561666 has 8 divisors (see below), whose sum is σ = 169887564. Its totient is φ = 53932480.

The previous prime is 110561663. The next prime is 110561669. The reversal of 110561666 is 666165011.

It is an interprime number because it is at equal distance from previous prime (110561663) and next prime (110561669).

It can be written as a sum of positive squares in 2 ways, for example, as 104632441 + 5929225 = 10229^2 + 2435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110561663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674075 + ... + 674238.

Almost surely, 2^110561666 is an apocalyptic number.

110561666 is a deficient number, since it is larger than the sum of its proper divisors (59325898).

110561666 is a wasteful number, since it uses less digits than its factorization.

110561666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348356.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 110561666 is about 10514.8307642111. The cubic root of 110561666 is about 479.9561099916.

The spelling of 110561666 in words is "one hundred ten million, five hundred sixty-one thousand, six hundred sixty-six".