16002654643 has 4 divisors (see below), whose sum is σ = 16003180768. Its totient is φ = 16002128520.

The previous prime is 16002654617. The next prime is 16002654649. The reversal of 16002654643 is 34645620061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16002654643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16002654649) 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 in 3 ways as a sum of consecutive naturals, for example, 214443 + ... + 279268.

It is an arithmetic number, because the mean of its divisors is an integer number (4000795192).

Almost surely, 2^16002654643 is an apocalyptic number.

16002654643 is a deficient number, since it is larger than the sum of its proper divisors (526125).

16002654643 is an equidigital number, since it uses as much as digits as its factorization.

16002654643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526124.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 16002654643 in words is "sixteen billion, two million, six hundred fifty-four thousand, six hundred forty-three".