16436218459 has 8 divisors (see below), whose sum is σ = 16549696800. Its totient is φ = 16322782656.

The previous prime is 16436218453. The next prime is 16436218499. The reversal of 16436218459 is 95481263461.

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 16436218459 - 2⁵ = 16436218427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16436218453) 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, 1404159 + ... + 1415815.

It is an arithmetic number, because the mean of its divisors is an integer number (2068712100).

Almost surely, 2^16436218459 is an apocalyptic number.

16436218459 is a deficient number, since it is larger than the sum of its proper divisors (113478341).

16436218459 is a wasteful number, since it uses less digits than its factorization.

16436218459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21269.

The product of its digits is 1244160, while the sum is 49.

The spelling of 16436218459 in words is "sixteen billion, four hundred thirty-six million, two hundred eighteen thousand, four hundred fifty-nine".