16243684861279 has 8 divisors (see below), whose sum is σ = 16731520775552. Its totient is φ = 15760852392600.

The previous prime is 16243684861207. The next prime is 16243684861303. The reversal of 16243684861279 is 97216848634261.

16243684861279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16243684861279 - 2²³ = 16243676472671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243684865279) 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, 1250854809 + ... + 1250867794.

It is an arithmetic number, because the mean of its divisors is an integer number (2091440096944).

Almost surely, 2^{16243684861279} is an apocalyptic number.

16243684861279 is a deficient number, since it is larger than the sum of its proper divisors (487835914273).

16243684861279 is a wasteful number, since it uses less digits than its factorization.

16243684861279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501722797.

The product of its digits is 167215104, while the sum is 67.

The spelling of 16243684861279 in words is "sixteen trillion, two hundred forty-three billion, six hundred eighty-four million, eight hundred sixty-one thousand, two hundred seventy-nine".