216610160 has 40 divisors (see below), whose sum is σ = 542361120. Its totient is φ = 79978752.

The previous prime is 216610157. The next prime is 216610187. The reversal of 216610160 is 61016612.

216610160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×216610160² = 93839922830451200, which contains 22 as substring.

It is a congruent 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, 103100 + ... + 105179.

It is an arithmetic number, because the mean of its divisors is an integer number (13559028).

Almost surely, 2^216610160 is an apocalyptic number.

216610160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216610160 is an abundant number, since it is smaller than the sum of its proper divisors (325750960).

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

216610160 is a wasteful number, since it uses less digits than its factorization.

216610160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208305 (or 208299 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 216610160 is about 14717.6818826879. The cubic root of 216610160 is about 600.5644318243.

Adding to 216610160 its reverse (61016612), we get a palindrome (277626772).

The spelling of 216610160 in words is "two hundred sixteen million, six hundred ten thousand, one hundred sixty".