16605115106 has 4 divisors (see below), whose sum is σ = 24907672662. Its totient is φ = 8302557552.

The previous prime is 16605115097. The next prime is 16605115117. The reversal of 16605115106 is 60151150661.

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

It can be written as a sum of positive squares in only one way, i.e., 10793339881 + 5811775225 = 103891^2 + 76235^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4151278775 + ... + 4151278778.

Almost surely, 2^16605115106 is an apocalyptic number.

16605115106 is a deficient number, since it is larger than the sum of its proper divisors (8302557556).

16605115106 is an equidigital number, since it uses as much as digits as its factorization.

16605115106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302557555.

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 16605115106 its reverse (60151150661), we get a palindrome (76756265767).

The spelling of 16605115106 in words is "sixteen billion, six hundred five million, one hundred fifteen thousand, one hundred six".