16654254441541 has 4 divisors (see below), whose sum is σ = 17633916467532. Its totient is φ = 15674592415552.

The previous prime is 16654254441523. The next prime is 16654254441599. The reversal of 16654254441541 is 14514445245661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4441703776225 + 12212550665316 = 2107535^2 + 3494646^2 .

It is a cyclic number.

It is not a de Polignac number, because 16654254441541 - 2¹⁵ = 16654254408773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16654254441841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489831012970 + ... + 489831013003.

It is an arithmetic number, because the mean of its divisors is an integer number (4408479116883).

Almost surely, 2^{16654254441541} is an apocalyptic number.

It is an amenable number.

16654254441541 is a deficient number, since it is larger than the sum of its proper divisors (979662025991).

16654254441541 is an equidigital number, since it uses as much as digits as its factorization.

16654254441541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979662025990.

The product of its digits is 9216000, while the sum is 52.

The spelling of 16654254441541 in words is "sixteen trillion, six hundred fifty-four billion, two hundred fifty-four million, four hundred forty-one thousand, five hundred forty-one".