16728012907226 has 16 divisors (see below), whose sum is σ = 26159999130144. Its totient is φ = 8015353264464.

The previous prime is 16728012907217. The next prime is 16728012907231. The reversal of 16728012907226 is 62270921082761.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

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, 1835012216 + ... + 1835021331.

It is an arithmetic number, because the mean of its divisors is an integer number (1634999945634).

Almost surely, 2^{16728012907226} is an apocalyptic number.

16728012907226 is a deficient number, since it is larger than the sum of its proper divisors (9431986222918).

16728012907226 is a wasteful number, since it uses less digits than its factorization.

16728012907226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670033645.

The product of its (nonzero) digits is 2032128, while the sum is 53.

Adding to 16728012907226 its reverse (62270921082761), we get a palindrome (78998933989987).

The spelling of 16728012907226 in words is "sixteen trillion, seven hundred twenty-eight billion, twelve million, nine hundred seven thousand, two hundred twenty-six".