216849150 has 120 divisors (see below), whose sum is σ = 688683600. Its totient is φ = 49559040.

The previous prime is 216849133. The next prime is 216849151. The reversal of 216849150 is 51948612.

216849150 is a `hidden beast` number, since 2 + 168 + 491 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216849151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 24526 + ... + 32174.

It is an arithmetic number, because the mean of its divisors is an integer number (5739030).

Almost surely, 2^216849150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216849150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344341800).

216849150 is an abundant number, since it is smaller than the sum of its proper divisors (471834450).

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

216849150 is a wasteful number, since it uses less digits than its factorization.

216849150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 216849150 is about 14725.7987898789. The cubic root of 216849150 is about 600.7852219293.

The spelling of 216849150 in words is "two hundred sixteen million, eight hundred forty-nine thousand, one hundred fifty".