16614449645 has 8 divisors (see below), whose sum is σ = 19976979456. Its totient is φ = 13265133136.

The previous prime is 16614449641. The next prime is 16614449669. The reversal of 16614449645 is 54694441661.

It is a happy number.

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 16614449645 - 2² = 16614449641 is a prime.

It is a super-3 number, since 3×16614449645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16614449593 and 16614449602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16614449641) 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, 3300557 + ... + 3305586.

It is an arithmetic number, because the mean of its divisors is an integer number (2497122432).

Almost surely, 2^16614449645 is an apocalyptic number.

It is an amenable number.

16614449645 is a deficient number, since it is larger than the sum of its proper divisors (3362529811).

16614449645 is an equidigital number, since it uses as much as digits as its factorization.

16614449645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606651.

The product of its digits is 2488320, while the sum is 50.

The spelling of 16614449645 in words is "sixteen billion, six hundred fourteen million, four hundred forty-nine thousand, six hundred forty-five".