16144084649489 has 4 divisors (see below), whose sum is σ = 16147209114624. Its totient is φ = 16140960184356.

The previous prime is 16144084649477. The next prime is 16144084649491. The reversal of 16144084649489 is 98494648044161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16144084649489 - 2²⁰ = 16144083600913 is a prime.

It is a super-2 number, since 2×16144084649489² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16144084649989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1562224817 + ... + 1562235150.

It is an arithmetic number, because the mean of its divisors is an integer number (4036802278656).

Almost surely, 2^{16144084649489} is an apocalyptic number.

It is an amenable number.

16144084649489 is a deficient number, since it is larger than the sum of its proper divisors (3124465135).

16144084649489 is an equidigital number, since it uses as much as digits as its factorization.

16144084649489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124465134.

The product of its (nonzero) digits is 191102976, while the sum is 68.

The spelling of 16144084649489 in words is "sixteen trillion, one hundred forty-four billion, eighty-four million, six hundred forty-nine thousand, four hundred eighty-nine".