16434050665 has 16 divisors (see below), whose sum is σ = 20763789120. Its totient is φ = 12452287680.

The previous prime is 16434050639. The next prime is 16434050683. The reversal of 16434050665 is 56605043461.

It is not a de Polignac number, because 16434050665 - 2⁷ = 16434050537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427207 + ... + 464083.

It is an arithmetic number, because the mean of its divisors is an integer number (1297736820).

Almost surely, 2^16434050665 is an apocalyptic number.

It is an amenable number.

16434050665 is a deficient number, since it is larger than the sum of its proper divisors (4329738455).

16434050665 is a wasteful number, since it uses less digits than its factorization.

16434050665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41592.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 16434050665 in words is "sixteen billion, four hundred thirty-four million, fifty thousand, six hundred sixty-five".