16533445226 has 4 divisors (see below), whose sum is σ = 24800167842. Its totient is φ = 8266722612.

The previous prime is 16533445219. The next prime is 16533445231. The reversal of 16533445226 is 62254433561.

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

It can be written as a sum of positive squares in only one way, i.e., 16480140625 + 53304601 = 128375^2 + 7301^2 .

It is a super-2 number, since 2×16533445226² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133361305 + ... + 4133361308.

Almost surely, 2^16533445226 is an apocalyptic number.

16533445226 is a deficient number, since it is larger than the sum of its proper divisors (8266722616).

16533445226 is an equidigital number, since it uses as much as digits as its factorization.

16533445226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266722615.

The product of its digits is 518400, while the sum is 41.

Adding to 16533445226 its reverse (62254433561), we get a palindrome (78787878787).

The spelling of 16533445226 in words is "sixteen billion, five hundred thirty-three million, four hundred forty-five thousand, two hundred twenty-six".