16532448919 has 16 divisors (see below), whose sum is σ = 19181910592. Its totient is φ = 13955493888.

The previous prime is 16532448883. The next prime is 16532448937. The reversal of 16532448919 is 91984423561.

It is not a de Polignac number, because 16532448919 - 2⁷ = 16532448791 is a prime.

It is a super-2 number, since 2×16532448919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16532448979) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 319867 + ... + 367939.

It is an arithmetic number, because the mean of its divisors is an integer number (1198869412).

Almost surely, 2^16532448919 is an apocalyptic number.

16532448919 is a deficient number, since it is larger than the sum of its proper divisors (2649461673).

16532448919 is an equidigital number, since it uses as much as digits as its factorization.

16532448919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48826.

The product of its digits is 1866240, while the sum is 52.

The spelling of 16532448919 in words is "sixteen billion, five hundred thirty-two million, four hundred forty-eight thousand, nine hundred nineteen".