16305134641 has 4 divisors (see below), whose sum is σ = 16305392500. Its totient is φ = 16304876784.

The previous prime is 16305134623. The next prime is 16305134669. The reversal of 16305134641 is 14643150361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8780439616 + 7524695025 = 93704^2 + 86745^2 .

It is a cyclic number.

It is not a de Polignac number, because 16305134641 - 2¹³ = 16305126449 is a prime.

It is a super-2 number, since 2×16305134641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16305134597 and 16305134606.

It is not an unprimeable number, because it can be changed into a prime (16305144641) 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, 37735 + ... + 184483.

It is an arithmetic number, because the mean of its divisors is an integer number (4076348125).

Almost surely, 2^16305134641 is an apocalyptic number.

It is an amenable number.

16305134641 is a deficient number, since it is larger than the sum of its proper divisors (257859).

16305134641 is a wasteful number, since it uses less digits than its factorization.

16305134641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257858.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16305134641 in words is "sixteen billion, three hundred five million, one hundred thirty-four thousand, six hundred forty-one".