16449768005 has 8 divisors (see below), whose sum is σ = 21534241824. Its totient is φ = 11963467600.

The previous prime is 16449767981. The next prime is 16449768007. The reversal of 16449768005 is 50086794461.

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

It is not a de Polignac number, because 16449768005 - 2⁶ = 16449767941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16449768007) 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, 149543291 + ... + 149543400.

It is an arithmetic number, because the mean of its divisors is an integer number (2691780228).

Almost surely, 2^16449768005 is an apocalyptic number.

It is an amenable number.

16449768005 is a deficient number, since it is larger than the sum of its proper divisors (5084473819).

16449768005 is a wasteful number, since it uses less digits than its factorization.

16449768005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299086707.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 16449768005 in words is "sixteen billion, four hundred forty-nine million, seven hundred sixty-eight thousand, five".