16304543641 has 8 divisors (see below), whose sum is σ = 16407420480. Its totient is φ = 16201766352.

The previous prime is 16304543627. The next prime is 16304543653. The reversal of 16304543641 is 14634540361.

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 16304543641 - 2⁵ = 16304543609 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 16304543641.

It is not an unprimeable number, because it can be changed into a prime (16304543681) 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, 318556 + ... + 366178.

It is an arithmetic number, because the mean of its divisors is an integer number (2050927560).

Almost surely, 2^16304543641 is an apocalyptic number.

It is an amenable number.

16304543641 is a deficient number, since it is larger than the sum of its proper divisors (102876839).

16304543641 is a wasteful number, since it uses less digits than its factorization.

16304543641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49775.

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

The spelling of 16304543641 in words is "sixteen billion, three hundred four million, five hundred forty-three thousand, six hundred forty-one".