16213330 has 32 divisors (see below), whose sum is σ = 33860736. Its totient is φ = 5474304.

The previous prime is 16213319. The next prime is 16213331. The reversal of 16213330 is 3331261.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16213298 and 16213307.

It is not an unprimeable number, because it can be changed into a prime (16213331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^16213330 is an apocalyptic number.

16213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16213330 is an abundant number, since it is smaller than the sum of its proper divisors (17647406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16213330 is a wasteful number, since it uses less digits than its factorization.

16213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 16213330 is about 4026.5779515614. The cubic root of 16213330 is about 253.0991815357.

Adding to 16213330 its reverse (3331261), we get a palindrome (19544591).

The spelling of 16213330 in words is "sixteen million, two hundred thirteen thousand, three hundred thirty".