16147053281 has 4 divisors (see below), whose sum is σ = 16522566192. Its totient is φ = 15771540372.

The previous prime is 16147053269. The next prime is 16147053283. The reversal of 16147053281 is 18235074161.

16147053281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18235074161 = 4861 ⋅3751301.

It is a cyclic number.

It is not a de Polignac number, because 16147053281 - 2⁶ = 16147053217 is a prime.

It is a super-2 number, since 2×16147053281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16147053283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187756391 + ... + 187756476.

It is an arithmetic number, because the mean of its divisors is an integer number (4130641548).

Almost surely, 2^16147053281 is an apocalyptic number.

It is an amenable number.

16147053281 is a deficient number, since it is larger than the sum of its proper divisors (375512911).

16147053281 is an equidigital number, since it uses as much as digits as its factorization.

16147053281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375512910.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 16147053281 in words is "sixteen billion, one hundred forty-seven million, fifty-three thousand, two hundred eighty-one".