16004774349 has 12 divisors (see below), whose sum is σ = 23162216896. Its totient is φ = 10649445192.

The previous prime is 16004774329. The next prime is 16004774351. The reversal of 16004774349 is 94347740061.

16004774349 is a `hidden beast` number, since 1 + 600 + 4 + 7 + 7 + 4 + 34 + 9 = 666.

It is not a de Polignac number, because 16004774349 - 2⁷ = 16004774221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004774329) 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 11 ways as a sum of consecutive naturals, for example, 1695397 + ... + 1704810.

Almost surely, 2^16004774349 is an apocalyptic number.

It is an amenable number.

16004774349 is a deficient number, since it is larger than the sum of its proper divisors (7157442547).

16004774349 is a wasteful number, since it uses less digits than its factorization.

16004774349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400736 (or 3400733 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 16004774349 in words is "sixteen billion, four million, seven hundred seventy-four thousand, three hundred forty-nine".