16433513221004 has 24 divisors (see below), whose sum is σ = 31384516773456. Its totient is φ = 7467053480000.

The previous prime is 16433513221003. The next prime is 16433513221033. The reversal of 16433513221004 is 40012231533461.

It is not an unprimeable number, because it can be changed into a prime (16433513221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68009447 + ... + 68250654.

It is an arithmetic number, because the mean of its divisors is an integer number (1307688198894).

Almost surely, 2^{16433513221004} is an apocalyptic number.

It is an amenable number.

16433513221004 is a deficient number, since it is larger than the sum of its proper divisors (14951003552452).

16433513221004 is a wasteful number, since it uses less digits than its factorization.

16433513221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136262857 (or 136262855 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 16433513221004 its reverse (40012231533461), we get a palindrome (56445744754465).

The spelling of 16433513221004 in words is "sixteen trillion, four hundred thirty-three billion, five hundred thirteen million, two hundred twenty-one thousand, four".