16806406105 has 16 divisors (see below), whose sum is σ = 20972390400. Its totient is φ = 12913512640.

The previous prime is 16806406087. The next prime is 16806406121. The reversal of 16806406105 is 50160460861.

It is not a de Polignac number, because 16806406105 - 2⁹ = 16806405593 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 275725 + ... + 331114.

It is an arithmetic number, because the mean of its divisors is an integer number (1310774400).

Almost surely, 2^16806406105 is an apocalyptic number.

It is an amenable number.

16806406105 is a deficient number, since it is larger than the sum of its proper divisors (4165984295).

16806406105 is a wasteful number, since it uses less digits than its factorization.

16806406105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607064.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 16806406105 its reverse (50160460861), we get a palindrome (66966866966).

The spelling of 16806406105 in words is "sixteen billion, eight hundred six million, four hundred six thousand, one hundred five".