16806562449 has 8 divisors (see below), whose sum is σ = 22409417280. Its totient is φ = 11204041296.

The previous prime is 16806562441. The next prime is 16806562471. The reversal of 16806562449 is 94426560861.

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

It is not a de Polignac number, because 16806562449 - 2³ = 16806562441 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16806562441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79644 + ... + 199890.

It is an arithmetic number, because the mean of its divisors is an integer number (2801177160).

Almost surely, 2^16806562449 is an apocalyptic number.

It is an amenable number.

16806562449 is a deficient number, since it is larger than the sum of its proper divisors (5602854831).

16806562449 is a wasteful number, since it uses less digits than its factorization.

16806562449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166839.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 16806562449 in words is "sixteen billion, eight hundred six million, five hundred sixty-two thousand, four hundred forty-nine".