16506033412 has 24 divisors (see below), whose sum is σ = 31530229920. Its totient is φ = 7498287360.

The previous prime is 16506033347. The next prime is 16506033413. The reversal of 16506033412 is 21433060561.

16506033412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16506033413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35862 + ... + 185197.

It is an arithmetic number, because the mean of its divisors is an integer number (1313759580).

Almost surely, 2^16506033412 is an apocalyptic number.

It is an amenable number.

16506033412 is a deficient number, since it is larger than the sum of its proper divisors (15024196508).

16506033412 is a wasteful number, since it uses less digits than its factorization.

16506033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222771 (or 222769 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 16506033412 its reverse (21433060561), we get a palindrome (37939093973).

The spelling of 16506033412 in words is "sixteen billion, five hundred six million, thirty-three thousand, four hundred twelve".