16445805741 has 12 divisors (see below), whose sum is σ = 23759706880. Its totient is φ = 10961722440.

The previous prime is 16445805731. The next prime is 16445805781. The reversal of 16445805741 is 14750854461.

16445805741 is a `hidden beast` number, since 1 + 64 + 4 + 580 + 5 + 7 + 4 + 1 = 666.

It is not a de Polignac number, because 16445805741 - 2¹⁰ = 16445804717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16445805731) 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 11 ways as a sum of consecutive naturals, for example, 129805 + ... + 223026.

Almost surely, 2^16445805741 is an apocalyptic number.

It is an amenable number.

16445805741 is a deficient number, since it is larger than the sum of its proper divisors (7313901139).

16445805741 is a wasteful number, since it uses less digits than its factorization.

16445805741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358016 (or 358013 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 16445805741 in words is "sixteen billion, four hundred forty-five million, eight hundred five thousand, seven hundred forty-one".