16163213 has 8 divisors (see below), whose sum is σ = 17683680. Its totient is φ = 14651280.

The previous prime is 16163197. The next prime is 16163219. The reversal of 16163213 is 31236161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16163213 - 2⁴ = 16163197 is a prime.

It is a super-2 number, since 2×16163213² = 522498908966738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16163219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (2210460).

Almost surely, 2^16163213 is an apocalyptic number.

It is an amenable number.

16163213 is a deficient number, since it is larger than the sum of its proper divisors (1520467).

16163213 is a wasteful number, since it uses less digits than its factorization.

16163213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its digits is 648, while the sum is 23.

The square root of 16163213 is about 4020.3498603977. The cubic root of 16163213 is about 252.8381275362.

Adding to 16163213 its reverse (31236161), we get a palindrome (47399374).

The spelling of 16163213 in words is "sixteen million, one hundred sixty-three thousand, two hundred thirteen".