216314155 has 8 divisors (see below), whose sum is σ = 265908384. Its totient is φ = 168830400.

The previous prime is 216314117. The next prime is 216314179. The reversal of 216314155 is 551413612.

216314155 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 not a de Polignac number, because 216314155 - 2²³ = 207925547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527391 + ... + 527800.

It is an arithmetic number, because the mean of its divisors is an integer number (33238548).

Almost surely, 2^216314155 is an apocalyptic number.

216314155 is a deficient number, since it is larger than the sum of its proper divisors (49594229).

216314155 is a wasteful number, since it uses less digits than its factorization.

216314155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055237.

The product of its digits is 3600, while the sum is 28.

The square root of 216314155 is about 14707.6223435333. The cubic root of 216314155 is about 600.2907433503.

Adding to 216314155 its reverse (551413612), we get a palindrome (767727767).

The spelling of 216314155 in words is "two hundred sixteen million, three hundred fourteen thousand, one hundred fifty-five".