16346434633 has 4 divisors (see below), whose sum is σ = 16873739008. Its totient is φ = 15819130260.

The previous prime is 16346434603. The next prime is 16346434639. The reversal of 16346434633 is 33643464361.

It is a happy number.

16346434633 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: 33643464361 = 13 ⋅2587958797.

It is a cyclic number.

It is not a de Polignac number, because 16346434633 - 2³³ = 7756500041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16346434633.

It is not an unprimeable number, because it can be changed into a prime (16346434639) 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, 263652141 + ... + 263652202.

It is an arithmetic number, because the mean of its divisors is an integer number (4218434752).

Almost surely, 2^16346434633 is an apocalyptic number.

It is an amenable number.

16346434633 is a deficient number, since it is larger than the sum of its proper divisors (527304375).

16346434633 is an equidigital number, since it uses as much as digits as its factorization.

16346434633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527304374.

The product of its digits is 1119744, while the sum is 43.

Adding to 16346434633 its reverse (33643464361), we get a palindrome (49989898994).

The spelling of 16346434633 in words is "sixteen billion, three hundred forty-six million, four hundred thirty-four thousand, six hundred thirty-three".