16645486033 has 8 divisors (see below), whose sum is σ = 18784874880. Its totient is φ = 14610457680.

The previous prime is 16645486027. The next prime is 16645486051. The reversal of 16645486033 is 33068454661.

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 16645486033 - 2¹⁷ = 16645354961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16645486073) 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, 26089785 + ... + 26090422.

It is an arithmetic number, because the mean of its divisors is an integer number (2348109360).

Almost surely, 2^16645486033 is an apocalyptic number.

It is an amenable number.

16645486033 is a deficient number, since it is larger than the sum of its proper divisors (2139388847).

16645486033 is a wasteful number, since it uses less digits than its factorization.

16645486033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52180247.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 16645486033 in words is "sixteen billion, six hundred forty-five million, four hundred eighty-six thousand, thirty-three".