16211434 has 8 divisors (see below), whose sum is σ = 24359940. Its totient is φ = 8091456.

The previous prime is 16211417. The next prime is 16211449. The reversal of 16211434 is 43411261.

It can be written as a sum of positive squares in 2 ways, for example, as 15626209 + 585225 = 3953^2 + 765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 5649 + ... + 8020.

Almost surely, 2^16211434 is an apocalyptic number.

16211434 is a deficient number, since it is larger than the sum of its proper divisors (8148506).

16211434 is a wasteful number, since it uses less digits than its factorization.

16211434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264.

The product of its digits is 576, while the sum is 22.

The square root of 16211434 is about 4026.3425090273. The cubic root of 16211434 is about 253.0893152764.

Adding to 16211434 its reverse (43411261), we get a palindrome (59622695).

The spelling of 16211434 in words is "sixteen million, two hundred eleven thousand, four hundred thirty-four".