16641546433 has 8 divisors (see below), whose sum is σ = 16722801536. Its totient is φ = 16560450000.

The previous prime is 16641546403. The next prime is 16641546461. The reversal of 16641546433 is 33464514661.

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 16641546433 - 2¹³ = 16641538241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16641546433.

It is not an unprimeable number, because it can be changed into a prime (16641546403) 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, 173383 + ... + 251683.

It is an arithmetic number, because the mean of its divisors is an integer number (2090350192).

Almost surely, 2^16641546433 is an apocalyptic number.

It is an amenable number.

16641546433 is a deficient number, since it is larger than the sum of its proper divisors (81255103).

16641546433 is an equidigital number, since it uses as much as digits as its factorization.

16641546433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79335.

The product of its digits is 622080, while the sum is 43.

The spelling of 16641546433 in words is "sixteen billion, six hundred forty-one million, five hundred forty-six thousand, four hundred thirty-three".