216153055 has 8 divisors (see below), whose sum is σ = 263255472. Its totient is φ = 170341248.

The previous prime is 216153053. The next prime is 216153059. The reversal of 216153055 is 550351612.

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 216153055 - 2¹ = 216153053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216153053) 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, 322282 + ... + 322951.

It is an arithmetic number, because the mean of its divisors is an integer number (32906934).

Almost surely, 2^216153055 is an apocalyptic number.

216153055 is a deficient number, since it is larger than the sum of its proper divisors (47102417).

216153055 is an equidigital number, since it uses as much as digits as its factorization.

216153055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645305.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 216153055 is about 14702.1445714562. The cubic root of 216153055 is about 600.1416841326.

The spelling of 216153055 in words is "two hundred sixteen million, one hundred fifty-three thousand, fifty-five".