16204321226 has 16 divisors (see below), whose sum is σ = 24566752896. Its totient is φ = 8015469696.

The previous prime is 16204321207. The next prime is 16204321291. The reversal of 16204321226 is 62212340261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521705 + ... + 551891.

It is an arithmetic number, because the mean of its divisors is an integer number (1535422056).

Almost surely, 2^16204321226 is an apocalyptic number.

16204321226 is a deficient number, since it is larger than the sum of its proper divisors (8362431670).

16204321226 is a wasteful number, since it uses less digits than its factorization.

16204321226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33053.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 16204321226 its reverse (62212340261), we get a palindrome (78416661487).

The spelling of 16204321226 in words is "sixteen billion, two hundred four million, three hundred twenty-one thousand, two hundred twenty-six".