16551448135 has 8 divisors (see below), whose sum is σ = 19862435376. Its totient is φ = 13240693440.

The previous prime is 16551448127. The next prime is 16551448141. The reversal of 16551448135 is 53184415561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16551448135 - 2³ = 16551448127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16551448091 and 16551448100.

It is a congruent number.

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, 215827 + ... + 282283.

It is an arithmetic number, because the mean of its divisors is an integer number (2482804422).

Almost surely, 2^16551448135 is an apocalyptic number.

16551448135 is a deficient number, since it is larger than the sum of its proper divisors (3310987241).

16551448135 is an equidigital number, since it uses as much as digits as its factorization.

16551448135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116273.

The product of its digits is 288000, while the sum is 43.

The spelling of 16551448135 in words is "sixteen billion, five hundred fifty-one million, four hundred forty-eight thousand, one hundred thirty-five".