16448440673895 has 8 divisors (see below), whose sum is σ = 26317505078256. Its totient is φ = 8772501692736.

The previous prime is 16448440673881. The next prime is 16448440673923. The reversal of 16448440673895 is 59837604484461.

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

It is not a de Polignac number, because 16448440673895 - 2¹⁹ = 16448440149607 is a prime.

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, 548281355782 + ... + 548281355811.

It is an arithmetic number, because the mean of its divisors is an integer number (3289688134782).

Almost surely, 2^{16448440673895} is an apocalyptic number.

16448440673895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16448440673895 is a deficient number, since it is larger than the sum of its proper divisors (9869064404361).

16448440673895 is a wasteful number, since it uses less digits than its factorization.

16448440673895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096562711601.

The product of its (nonzero) digits is 557383680, while the sum is 69.

The spelling of 16448440673895 in words is "sixteen trillion, four hundred forty-eight billion, four hundred forty million, six hundred seventy-three thousand, eight hundred ninety-five".