19916106 has 32 divisors (see below), whose sum is σ = 45802368. Its totient is φ = 5655360.

The previous prime is 19916087. The next prime is 19916173. The reversal of 19916106 is 60161991.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (1431324).

Almost surely, 2^19916106 is an apocalyptic number.

19916106 is an abundant number, since it is smaller than the sum of its proper divisors (25886262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19916106 is a wasteful number, since it uses less digits than its factorization.

19916106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 19916106 is about 4462.7464637821. The cubic root of 19916106 is about 271.0616908161.

The spelling of 19916106 in words is "nineteen million, nine hundred sixteen thousand, one hundred six".