16223054533 has 4 divisors (see below), whose sum is σ = 18540633760. Its totient is φ = 13905475308.

The previous prime is 16223054503. The next prime is 16223054543. The reversal of 16223054533 is 33545032261.

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.

It is a cyclic number.

It is not a de Polignac number, because 16223054533 - 2⁵ = 16223054501 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 (16223054503) 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, 1158789603 + ... + 1158789616.

It is an arithmetic number, because the mean of its divisors is an integer number (4635158440).

Almost surely, 2^16223054533 is an apocalyptic number.

It is an amenable number.

16223054533 is a deficient number, since it is larger than the sum of its proper divisors (2317579227).

16223054533 is an equidigital number, since it uses as much as digits as its factorization.

16223054533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317579226.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 16223054533 its reverse (33545032261), we get a palindrome (49768086794).

The spelling of 16223054533 in words is "sixteen billion, two hundred twenty-three million, fifty-four thousand, five hundred thirty-three".