16432213308 has 72 divisors (see below), whose sum is σ = 46949212800. Its totient is φ = 4447814112.

The previous prime is 16432213297. The next prime is 16432213351. The reversal of 16432213308 is 80331223461.

It is a super-2 number, since 2×16432213308² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724248 + ... + 746591.

It is an arithmetic number, because the mean of its divisors is an integer number (652072400).

Almost surely, 2^16432213308 is an apocalyptic number.

It is an amenable number.

16432213308 is an abundant number, since it is smaller than the sum of its proper divisors (30516999492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16432213308 is a wasteful number, since it uses less digits than its factorization.

16432213308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470879 (or 1470870 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 16432213308 its reverse (80331223461), we get a palindrome (96763436769).

The spelling of 16432213308 in words is "sixteen billion, four hundred thirty-two million, two hundred thirteen thousand, three hundred eight".