16049818329 has 4 divisors (see below), whose sum is σ = 21399757776. Its totient is φ = 10699878884.

The previous prime is 16049818283. The next prime is 16049818349. The reversal of 16049818329 is 92381894061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92381894061 = 3 ⋅30793964687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16049818329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16049818349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674969719 + ... + 2674969724.

It is an arithmetic number, because the mean of its divisors is an integer number (5349939444).

Almost surely, 2^16049818329 is an apocalyptic number.

It is an amenable number.

16049818329 is a deficient number, since it is larger than the sum of its proper divisors (5349939447).

16049818329 is an equidigital number, since it uses as much as digits as its factorization.

16049818329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349939446.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 16049818329 in words is "sixteen billion, forty-nine million, eight hundred eighteen thousand, three hundred twenty-nine".