533216161 has 4 divisors (see below), whose sum is σ = 533313792. Its totient is φ = 533118532.

The previous prime is 533216149. The next prime is 533216207. The reversal of 533216161 is 161612335.

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: 161612335 = 5 ⋅32322467.

It is a cyclic number.

It is not a de Polignac number, because 533216161 - 2¹¹ = 533214113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533216261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40105 + ... + 51718.

It is an arithmetic number, because the mean of its divisors is an integer number (133328448).

Almost surely, 2^533216161 is an apocalyptic number.

It is an amenable number.

533216161 is a deficient number, since it is larger than the sum of its proper divisors (97631).

533216161 is an equidigital number, since it uses as much as digits as its factorization.

533216161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97630.

The product of its digits is 3240, while the sum is 28.

The square root of 533216161 is about 23091.4737728019. The cubic root of 533216161 is about 810.9008729101.

Adding to 533216161 its reverse (161612335), we get a palindrome (694828496).

The spelling of 533216161 in words is "five hundred thirty-three million, two hundred sixteen thousand, one hundred sixty-one".