16436044066 has 8 divisors (see below), whose sum is σ = 26550532764. Its totient is φ = 7585866480.

The previous prime is 16436044061. The next prime is 16436044111. The reversal of 16436044066 is 66044063461.

It can be written as a sum of positive squares in 2 ways, for example, as 15995925625 + 440118441 = 126475^2 + 20979^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16436044061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316077745 + ... + 316077796.

Almost surely, 2^16436044066 is an apocalyptic number.

16436044066 is a deficient number, since it is larger than the sum of its proper divisors (10114488698).

16436044066 is a wasteful number, since it uses less digits than its factorization.

16436044066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632155556.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 16436044066 in words is "sixteen billion, four hundred thirty-six million, forty-four thousand, sixty-six".