16649953417 has 8 divisors (see below), whose sum is σ = 17497627136. Its totient is φ = 15823210032.

The previous prime is 16649953393. The next prime is 16649953423. The reversal of 16649953417 is 71435994661.

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

It is a cyclic number.

It is not a de Polignac number, because 16649953417 - 2¹¹ = 16649951369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16649953217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5230953 + ... + 5234134.

It is an arithmetic number, because the mean of its divisors is an integer number (2187203392).

Almost surely, 2^16649953417 is an apocalyptic number.

It is an amenable number.

16649953417 is a deficient number, since it is larger than the sum of its proper divisors (847673719).

16649953417 is a wasteful number, since it uses less digits than its factorization.

16649953417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465167.

The product of its digits is 4898880, while the sum is 55.

The spelling of 16649953417 in words is "sixteen billion, six hundred forty-nine million, nine hundred fifty-three thousand, four hundred seventeen".