16436664614 has 4 divisors (see below), whose sum is σ = 24654996924. Its totient is φ = 8218332306.

The previous prime is 16436664613. The next prime is 16436664641. The reversal of 16436664614 is 41646663461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16436664613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109166152 + ... + 4109166155.

It is an arithmetic number, because the mean of its divisors is an integer number (6163749231).

Almost surely, 2^16436664614 is an apocalyptic number.

16436664614 is a deficient number, since it is larger than the sum of its proper divisors (8218332310).

16436664614 is an equidigital number, since it uses as much as digits as its factorization.

16436664614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218332309.

The product of its digits is 1492992, while the sum is 47.

The spelling of 16436664614 in words is "sixteen billion, four hundred thirty-six million, six hundred sixty-four thousand, six hundred fourteen".