16645106 has 8 divisors (see below), whose sum is σ = 24993264. Its totient is φ = 8314020.

The previous prime is 16645087. The next prime is 16645129. The reversal of 16645106 is 60154661.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460 + ... + 5951.

It is an arithmetic number, because the mean of its divisors is an integer number (3124158).

Almost surely, 2^16645106 is an apocalyptic number.

16645106 is a deficient number, since it is larger than the sum of its proper divisors (8348158).

16645106 is a wasteful number, since it uses less digits than its factorization.

16645106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16645106 is about 4079.8414184868. The cubic root of 16645106 is about 255.3262823183.

Adding to 16645106 its reverse (60154661), we get a palindrome (76799767).

It can be divided in two parts, 16 and 645106, that multiplied together give a triangular number (10321696 = T₄₅₄₃).

The spelling of 16645106 in words is "sixteen million, six hundred forty-five thousand, one hundred six".