216413411 has 4 divisors (see below), whose sum is σ = 217866000. Its totient is φ = 214960824.

The previous prime is 216413369. The next prime is 216413413. The reversal of 216413411 is 114314612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216413411 - 2¹⁰ = 216412387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216413413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726071 + ... + 726368.

It is an arithmetic number, because the mean of its divisors is an integer number (54466500).

Almost surely, 2^216413411 is an apocalyptic number.

216413411 is a deficient number, since it is larger than the sum of its proper divisors (1452589).

216413411 is a wasteful number, since it uses less digits than its factorization.

216413411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452588.

The product of its digits is 576, while the sum is 23.

The square root of 216413411 is about 14710.9962613006. The cubic root of 216413411 is about 600.3825440113.

It can be divided in two parts, 21641 and 3411, that added together give a palindrome (25052).

The spelling of 216413411 in words is "two hundred sixteen million, four hundred thirteen thousand, four hundred eleven".