16286433109 has 8 divisors (see below), whose sum is σ = 17308569240. Its totient is φ = 15271420416.

The previous prime is 16286433103. The next prime is 16286433161. The reversal of 16286433109 is 90133468261.

It can be written as a sum of positive squares in 4 ways, for example, as 2802114225 + 13484318884 = 52935^2 + 116122^2 .

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

It is not a de Polignac number, because 16286433109 - 2⁵ = 16286433077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16286433103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1776144 + ... + 1785289.

It is an arithmetic number, because the mean of its divisors is an integer number (2163571155).

Almost surely, 2^16286433109 is an apocalyptic number.

It is an amenable number.

16286433109 is a deficient number, since it is larger than the sum of its proper divisors (1022136131).

16286433109 is a wasteful number, since it uses less digits than its factorization.

16286433109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561719.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 16286433109 in words is "sixteen billion, two hundred eighty-six million, four hundred thirty-three thousand, one hundred nine".