16643413601 has 8 divisors (see below), whose sum is σ = 17083820160. Its totient is φ = 16206602608.

The previous prime is 16643413561. The next prime is 16643413609. The reversal of 16643413601 is 10631434661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16643413601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16643413609) 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, 889511 + ... + 908028.

It is an arithmetic number, because the mean of its divisors is an integer number (2135477520).

Almost surely, 2^16643413601 is an apocalyptic number.

It is an amenable number.

16643413601 is a deficient number, since it is larger than the sum of its proper divisors (440406559).

16643413601 is a wasteful number, since it uses less digits than its factorization.

16643413601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797783.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 16643413601 in words is "sixteen billion, six hundred forty-three million, four hundred thirteen thousand, six hundred one".