16650445505 has 8 divisors (see below), whose sum is σ = 19982158272. Its totient is φ = 13319273968.

The previous prime is 16650445481. The next prime is 16650445543. The reversal of 16650445505 is 50554405661.

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 16650445505 - 2²⁸ = 16382010049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64229 + ... + 193458.

It is an arithmetic number, because the mean of its divisors is an integer number (2497769784).

Almost surely, 2^16650445505 is an apocalyptic number.

It is an amenable number.

16650445505 is a deficient number, since it is larger than the sum of its proper divisors (3331712767).

16650445505 is a wasteful number, since it uses less digits than its factorization.

16650445505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270615.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 16650445505 in words is "sixteen billion, six hundred fifty million, four hundred forty-five thousand, five hundred five".