16433240506 has 16 divisors (see below), whose sum is σ = 24748052616. Its totient is φ = 8183912256.

The previous prime is 16433240503. The next prime is 16433240531. The reversal of 16433240506 is 60504233461.

It can be written as a sum of positive squares in 4 ways, for example, as 4069802025 + 12363438481 = 63795^2 + 111191^2 .

It is not an unprimeable number, because it can be changed into a prime (16433240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565700 + ... + 2572096.

Almost surely, 2^16433240506 is an apocalyptic number.

16433240506 is a deficient number, since it is larger than the sum of its proper divisors (8314812110).

16433240506 is a wasteful number, since it uses less digits than its factorization.

16433240506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 16433240506 its reverse (60504233461), we get a palindrome (76937473967).

The spelling of 16433240506 in words is "sixteen billion, four hundred thirty-three million, two hundred forty thousand, five hundred six".