16434274723345 has 32 divisors (see below), whose sum is σ = 19835967129120. Its totient is φ = 13071044321280.

The previous prime is 16434274723327. The next prime is 16434274723357. The reversal of 16434274723345 is 54332747243461.

It can be written as a sum of positive squares in 16 ways, for example, as 5455443104721 + 10978831618624 = 2335689^2 + 3313432^2 .

It is not a de Polignac number, because 16434274723345 - 2¹³ = 16434274715153 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 31 ways as a sum of consecutive naturals, for example, 2823270535 + ... + 2823276355.

It is an arithmetic number, because the mean of its divisors is an integer number (619873972785).

Almost surely, 2^{16434274723345} is an apocalyptic number.

It is an amenable number.

16434274723345 is a deficient number, since it is larger than the sum of its proper divisors (3401692405775).

16434274723345 is a wasteful number, since it uses less digits than its factorization.

16434274723345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205.

The product of its digits is 40642560, while the sum is 55.

The spelling of 16434274723345 in words is "sixteen trillion, four hundred thirty-four billion, two hundred seventy-four million, seven hundred twenty-three thousand, three hundred forty-five".