16445022533 has 4 divisors (see below), whose sum is σ = 16445492748. Its totient is φ = 16444552320.

The previous prime is 16445022509. The next prime is 16445022541. The reversal of 16445022533 is 33522054461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12397263649 + 4047758884 = 111343^2 + 63622^2 .

It is a cyclic number.

It is not a de Polignac number, because 16445022533 - 2¹² = 16445018437 is a prime.

It is a super-2 number, since 2×16445022533² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16445022493 and 16445022502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16445022593) 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, 178028 + ... + 254133.

It is an arithmetic number, because the mean of its divisors is an integer number (4111373187).

Almost surely, 2^16445022533 is an apocalyptic number.

It is an amenable number.

16445022533 is a deficient number, since it is larger than the sum of its proper divisors (470215).

16445022533 is an equidigital number, since it uses as much as digits as its factorization.

16445022533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470214.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 16445022533 its reverse (33522054461), we get a palindrome (49967076994).

The spelling of 16445022533 in words is "sixteen billion, four hundred forty-five million, twenty-two thousand, five hundred thirty-three".