216534102 has 32 divisors (see below), whose sum is σ = 442990080. Its totient is φ = 70543200.

The previous prime is 216534091. The next prime is 216534137. The reversal of 216534102 is 201435612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45613 + ... + 50135.

It is an arithmetic number, because the mean of its divisors is an integer number (13843440).

Almost surely, 2^216534102 is an apocalyptic number.

216534102 is an abundant number, since it is smaller than the sum of its proper divisors (226455978).

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

216534102 is a wasteful number, since it uses less digits than its factorization.

216534102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 216534102 is about 14715.0977570657. The cubic root of 216534102 is about 600.4941318334.

Adding to 216534102 its reverse (201435612), we get a palindrome (417969714).

The spelling of 216534102 in words is "two hundred sixteen million, five hundred thirty-four thousand, one hundred two".