16530324441 has 16 divisors (see below), whose sum is σ = 22548689280. Its totient is φ = 10768835840.

The previous prime is 16530324413. The next prime is 16530324523. The reversal of 16530324441 is 14442303561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16530324441 - 2⁵ = 16530324409 is a prime.

It is a super-2 number, since 2×16530324441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16530324241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319326 + ... + 367463.

It is an arithmetic number, because the mean of its divisors is an integer number (1409293080).

Almost surely, 2^16530324441 is an apocalyptic number.

It is an amenable number.

16530324441 is a deficient number, since it is larger than the sum of its proper divisors (6018364839).

16530324441 is a wasteful number, since it uses less digits than its factorization.

16530324441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686976.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 16530324441 in words is "sixteen billion, five hundred thirty million, three hundred twenty-four thousand, four hundred forty-one".