16819162310409 has 16 divisors (see below), whose sum is σ = 22657567126080. Its totient is φ = 11096864049600.

The previous prime is 16819162310371. The next prime is 16819162310417. The reversal of 16819162310409 is 90401326191861.

It is a happy number.

It is not a de Polignac number, because 16819162310409 - 2²⁴ = 16819145533193 is a prime.

It is a super-2 number, since 2×16819162310409² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16819162310309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11544487 + ... + 12919500.

It is an arithmetic number, because the mean of its divisors is an integer number (1416097945380).

Almost surely, 2^{16819162310409} is an apocalyptic number.

It is an amenable number.

16819162310409 is a deficient number, since it is larger than the sum of its proper divisors (5838404815671).

16819162310409 is a wasteful number, since it uses less digits than its factorization.

16819162310409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466360.

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 16819162310409 in words is "sixteen trillion, eight hundred nineteen billion, one hundred sixty-two million, three hundred ten thousand, four hundred nine".