16053955481 has 2 divisors, whose sum is σ = 16053955482. Its totient is φ = 16053955480.

The previous prime is 16053955453. The next prime is 16053955507. The reversal of 16053955481 is 18455935061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10278715456 + 5775240025 = 101384^2 + 75995^2 .

It is an emirp because it is prime and its reverse (18455935061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16053955481 - 2²² = 16049761177 is a prime.

It is a super-2 number, since 2×16053955481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16053955451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8026977740 + 8026977741.

It is an arithmetic number, because the mean of its divisors is an integer number (8026977741).

Almost surely, 2^16053955481 is an apocalyptic number.

It is an amenable number.

16053955481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16053955481 is an equidigital number, since it uses as much as digits as its factorization.

16053955481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 16053955481 in words is "sixteen billion, fifty-three million, nine hundred fifty-five thousand, four hundred eighty-one".