16104000641 has 4 divisors (see below), whose sum is σ = 16104306900. Its totient is φ = 16103694384.

The previous prime is 16104000637. The next prime is 16104000667. The reversal of 16104000641 is 14600040161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14600040161 = 7 ⋅2085720023.

It can be written as a sum of positive squares in 2 ways, for example, as 2381049616 + 13722951025 = 48796^2 + 117145^2 .

It is a cyclic number.

It is not a de Polignac number, because 16104000641 - 2² = 16104000637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16104000631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51986 + ... + 186843.

It is an arithmetic number, because the mean of its divisors is an integer number (4026076725).

Almost surely, 2^16104000641 is an apocalyptic number.

It is an amenable number.

16104000641 is a deficient number, since it is larger than the sum of its proper divisors (306259).

16104000641 is an equidigital number, since it uses as much as digits as its factorization.

16104000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306258.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 16104000641 in words is "sixteen billion, one hundred four million, six hundred forty-one", and thus it is an aban number.