65821468 has 6 divisors (see below), whose sum is σ = 115187576. Its totient is φ = 32910732.

The previous prime is 65821451. The next prime is 65821471. The reversal of 65821468 is 86412856.

It is a self number, because there is not a number n which added to its sum of digits gives 65821468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8227680 + ... + 8227687.

Almost surely, 2^65821468 is an apocalyptic number.

It is an amenable number.

65821468 is a deficient number, since it is larger than the sum of its proper divisors (49366108).

65821468 is a wasteful number, since it uses less digits than its factorization.

65821468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16455371 (or 16455369 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 65821468 is about 8113.0430788946. The cubic root of 65821468 is about 403.7592837823.

The spelling of 65821468 in words is "sixty-five million, eight hundred twenty-one thousand, four hundred sixty-eight".