216413330 has 32 divisors (see below), whose sum is σ = 445751424. Its totient is φ = 74105856.

The previous prime is 216413321. The next prime is 216413339. The reversal of 216413330 is 33314612.

It is an interprime number because it is at equal distance from previous prime (216413321) and next prime (216413339).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 216413296 and 216413305.

It is not an unprimeable number, because it can be changed into a prime (216413339) 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 15 ways as a sum of consecutive naturals, for example, 77234 + ... + 79986.

It is an arithmetic number, because the mean of its divisors is an integer number (13929732).

Almost surely, 2^216413330 is an apocalyptic number.

216413330 is an abundant number, since it is smaller than the sum of its proper divisors (229338094).

216413330 is a wasteful number, since it uses less digits than its factorization.

216413330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 216413330 is about 14710.9935082577. The cubic root of 216413330 is about 600.3824691068.

Adding to 216413330 its reverse (33314612), we get a palindrome (249727942).

The spelling of 216413330 in words is "two hundred sixteen million, four hundred thirteen thousand, three hundred thirty".