216849153 has 8 divisors (see below), whose sum is σ = 299102400. Its totient is φ = 139581008.

The previous prime is 216849151. The next prime is 216849163. The reversal of 216849153 is 351948612.

216849153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216849153 - 2¹ = 216849151 is a prime.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246173 + ... + 1246346.

It is an arithmetic number, because the mean of its divisors is an integer number (37387800).

Almost surely, 2^216849153 is an apocalyptic number.

It is an amenable number.

216849153 is a deficient number, since it is larger than the sum of its proper divisors (82253247).

216849153 is a wasteful number, since it uses less digits than its factorization.

216849153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492551.

The product of its digits is 51840, while the sum is 39.

The square root of 216849153 is about 14725.7988917410. The cubic root of 216849153 is about 600.7852246998.

The spelling of 216849153 in words is "two hundred sixteen million, eight hundred forty-nine thousand, one hundred fifty-three".