65416224 has 24 divisors (see below), whose sum is σ = 171717840. Its totient is φ = 21805376.

The previous prime is 65416213. The next prime is 65416283. The reversal of 65416224 is 42261456.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 65416191 and 65416200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340614 + ... + 340805.

It is an arithmetic number, because the mean of its divisors is an integer number (7154910).

Almost surely, 2^65416224 is an apocalyptic number.

It is an amenable number.

65416224 is an abundant number, since it is smaller than the sum of its proper divisors (106301616).

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

65416224 is a wasteful number, since it uses less digits than its factorization.

65416224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681432 (or 681424 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 65416224 is about 8088.0296735361. The cubic root of 65416224 is about 402.9289671963.

The spelling of 65416224 in words is "sixty-five million, four hundred sixteen thousand, two hundred twenty-four".