16561106 has 8 divisors (see below), whose sum is σ = 25419504. Its totient is φ = 8087940.

The previous prime is 16561093. The next prime is 16561147. The reversal of 16561106 is 60116561.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96200 + ... + 96371.

It is an arithmetic number, because the mean of its divisors is an integer number (3177438).

Almost surely, 2^16561106 is an apocalyptic number.

16561106 is a deficient number, since it is larger than the sum of its proper divisors (8858398).

16561106 is a wasteful number, since it uses less digits than its factorization.

16561106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192616.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16561106 is about 4069.5338799425. The cubic root of 16561106 is about 254.8960540073.

Adding to 16561106 its reverse (60116561), we get a palindrome (76677667).

The spelling of 16561106 in words is "sixteen million, five hundred sixty-one thousand, one hundred six".