65818214 has 32 divisors (see below), whose sum is σ = 123641856. Its totient is φ = 25528320.

The previous prime is 65818213. The next prime is 65818241. The reversal of 65818214 is 41281856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65818213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38747 + ... + 40409.

It is an arithmetic number, because the mean of its divisors is an integer number (3863808).

Almost surely, 2^65818214 is an apocalyptic number.

65818214 is a deficient number, since it is larger than the sum of its proper divisors (57823642).

65818214 is a wasteful number, since it uses less digits than its factorization.

65818214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its digits is 15360, while the sum is 35.

The square root of 65818214 is about 8112.8425351414. The cubic root of 65818214 is about 403.7526301560.

The spelling of 65818214 in words is "sixty-five million, eight hundred eighteen thousand, two hundred fourteen".