65982216 has 32 divisors (see below), whose sum is σ = 172128960. Its totient is φ = 21037632.

The previous prime is 65982209. The next prime is 65982227. The reversal of 65982216 is 61228956.

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, 59215 + ... + 60318.

It is an arithmetic number, because the mean of its divisors is an integer number (5379030).

Almost surely, 2^65982216 is an apocalyptic number.

It is an amenable number.

65982216 is an abundant number, since it is smaller than the sum of its proper divisors (106146744).

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

65982216 is a wasteful number, since it uses less digits than its factorization.

65982216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119565 (or 119561 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 65982216 is about 8122.9438013567. The cubic root of 65982216 is about 404.0877011184.

The spelling of 65982216 in words is "sixty-five million, nine hundred eighty-two thousand, two hundred sixteen".