16551454511147 has 4 divisors (see below), whose sum is σ = 16955148523656. Its totient is φ = 16147760498640.

The previous prime is 16551454511021. The next prime is 16551454511159. The reversal of 16551454511147 is 74111545415561.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16551454511147 - 2¹⁴ = 16551454494763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16551454511095 and 16551454511104.

It is not an unprimeable number, because it can be changed into a prime (16551454516147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201847006193 + ... + 201847006274.

It is an arithmetic number, because the mean of its divisors is an integer number (4238787130914).

Almost surely, 2^{16551454511147} is an apocalyptic number.

16551454511147 is a deficient number, since it is larger than the sum of its proper divisors (403694012509).

16551454511147 is an equidigital number, since it uses as much as digits as its factorization.

16551454511147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403694012508.

The product of its digits is 1680000, while the sum is 50.

The spelling of 16551454511147 in words is "sixteen trillion, five hundred fifty-one billion, four hundred fifty-four million, five hundred eleven thousand, one hundred forty-seven".