16074081409 has 4 divisors (see below), whose sum is σ = 16181961300. Its totient is φ = 15966201520.

The previous prime is 16074081407. The next prime is 16074081437. The reversal of 16074081409 is 90418047061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2631997809 + 13442083600 = 51303^2 + 115940^2 .

It is a cyclic number.

It is not a de Polignac number, because 16074081409 - 2¹ = 16074081407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16074081407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53939722 + ... + 53940019.

It is an arithmetic number, because the mean of its divisors is an integer number (4045490325).

Almost surely, 2^16074081409 is an apocalyptic number.

It is an amenable number.

16074081409 is a deficient number, since it is larger than the sum of its proper divisors (107879891).

16074081409 is a wasteful number, since it uses less digits than its factorization.

16074081409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107879890.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 16074081409 in words is "sixteen billion, seventy-four million, eighty-one thousand, four hundred nine".