16106507805 has 16 divisors (see below), whose sum is σ = 25771990464. Its totient is φ = 8589611520.

The previous prime is 16106507797. The next prime is 16106507821. The reversal of 16106507805 is 50870560161.

It is not a de Polignac number, because 16106507805 - 2³ = 16106507797 is a prime.

It is a congruent number.

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, 435862 + ... + 471368.

It is an arithmetic number, because the mean of its divisors is an integer number (1610749404).

Almost surely, 2^16106507805 is an apocalyptic number.

16106507805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16106507805 is a deficient number, since it is larger than the sum of its proper divisors (9665482659).

16106507805 is a wasteful number, since it uses less digits than its factorization.

16106507805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65756.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 16106507805 in words is "sixteen billion, one hundred six million, five hundred seven thousand, eight hundred five".