16018488512349 has 4 divisors (see below), whose sum is σ = 21357984683136. Its totient is φ = 10678992341564.

The previous prime is 16018488512347. The next prime is 16018488512401. The reversal of 16018488512349 is 94321588481061.

16018488512349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16018488512349 - 2¹ = 16018488512347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16018488512292 and 16018488512301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16018488512347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669748085389 + ... + 2669748085394.

It is an arithmetic number, because the mean of its divisors is an integer number (5339496170784).

Almost surely, 2^{16018488512349} is an apocalyptic number.

It is an amenable number.

16018488512349 is a deficient number, since it is larger than the sum of its proper divisors (5339496170787).

16018488512349 is an equidigital number, since it uses as much as digits as its factorization.

16018488512349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339496170786.

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 16018488512349 in words is "sixteen trillion, eighteen billion, four hundred eighty-eight million, five hundred twelve thousand, three hundred forty-nine".