65820466 has 16 divisors (see below), whose sum is σ = 100121184. Its totient is φ = 32449984.

The previous prime is 65820449. The next prime is 65820467. The reversal of 65820466 is 66402856.

It is not an unprimeable number, because it can be changed into a prime (65820467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50661 + ... + 51943.

It is an arithmetic number, because the mean of its divisors is an integer number (6257574).

Almost surely, 2^65820466 is an apocalyptic number.

65820466 is a deficient number, since it is larger than the sum of its proper divisors (34300718).

65820466 is a wasteful number, since it uses less digits than its factorization.

65820466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 65820466 is about 8112.9813262450. The cubic root of 65820466 is about 403.7572349632.

The spelling of 65820466 in words is "sixty-five million, eight hundred twenty thousand, four hundred sixty-six".