216159330 has 64 divisors (see below), whose sum is σ = 538928640. Its totient is φ = 55421184.

The previous prime is 216159329. The next prime is 216159337. The reversal of 216159330 is 33951612.

It is a super-3 number, since 3×216159330³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (216159337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318952 + ... + 319628.

It is an arithmetic number, because the mean of its divisors is an integer number (8420760).

Almost surely, 2^216159330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216159330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269464320).

216159330 is an abundant number, since it is smaller than the sum of its proper divisors (322769310).

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

216159330 is a wasteful number, since it uses less digits than its factorization.

216159330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 216159330 is about 14702.3579741482. The cubic root of 216159330 is about 600.1474915186.

The spelling of 216159330 in words is "two hundred sixteen million, one hundred fifty-nine thousand, three hundred thirty".