16541033653 has 2 divisors, whose sum is σ = 16541033654. Its totient is φ = 16541033652.

The previous prime is 16541033617. The next prime is 16541033657. The reversal of 16541033653 is 35633014561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13358042929 + 3182990724 = 115577^2 + 56418^2 .

It is a cyclic number.

It is not a de Polignac number, because 16541033653 - 2²¹ = 16538936501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16541033657) 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 as a sum of consecutive naturals, namely, 8270516826 + 8270516827.

It is an arithmetic number, because the mean of its divisors is an integer number (8270516827).

Almost surely, 2^16541033653 is an apocalyptic number.

It is an amenable number.

16541033653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16541033653 is an equidigital number, since it uses as much as digits as its factorization.

16541033653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 16541033653 in words is "sixteen billion, five hundred forty-one million, thirty-three thousand, six hundred fifty-three".