16334629889 has 4 divisors (see below), whose sum is σ = 16345827120. Its totient is φ = 16323432660.

The previous prime is 16334629849. The next prime is 16334629919. The reversal of 16334629889 is 98892643361.

16334629889 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, and also an emirpimes, since its reverse is a distinct semiprime: 98892643361 = 5237 ⋅18883453.

It is a cyclic number.

It is not a de Polignac number, because 16334629889 - 2²⁴ = 16317852673 is a prime.

It is a super-2 number, since 2×16334629889² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16334629819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5596427 + ... + 5599344.

It is an arithmetic number, because the mean of its divisors is an integer number (4086456780).

Almost surely, 2^16334629889 is an apocalyptic number.

It is an amenable number.

16334629889 is a deficient number, since it is larger than the sum of its proper divisors (11197231).

16334629889 is a wasteful number, since it uses less digits than its factorization.

16334629889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197230.

The product of its digits is 13436928, while the sum is 59.

The spelling of 16334629889 in words is "sixteen billion, three hundred thirty-four million, six hundred twenty-nine thousand, eight hundred eighty-nine".