16481481481481 has 8 divisors (see below), whose sum is σ = 17108187667200. Its totient is φ = 15860715639120.

The previous prime is 16481481481469. The next prime is 16481481481501. The reversal of 16481481481481 is 18418418418461.

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

It is a cyclic number.

It is not a de Polignac number, because 16481481481481 - 2⁶ = 16481481481417 is a prime.

It is a super-2 number, since 2×16481481481481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16481481481481.

It is not an unprimeable number, because it can be changed into a prime (16481481481411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485080186 + ... + 1485091283.

It is an arithmetic number, because the mean of its divisors is an integer number (2138523458400).

Almost surely, 2^{16481481481481} is an apocalyptic number.

It is an amenable number.

16481481481481 is a deficient number, since it is larger than the sum of its proper divisors (626706185719).

16481481481481 is a wasteful number, since it uses less digits than its factorization.

16481481481481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970171679.

The product of its digits is 6291456, while the sum is 59.

The spelling of 16481481481481 in words is "sixteen trillion, four hundred eighty-one billion, four hundred eighty-one million, four hundred eighty-one thousand, four hundred eighty-one".