65032866 has 24 divisors (see below), whose sum is σ = 143904384. Its totient is φ = 21216120.

The previous prime is 65032859. The next prime is 65032873. The reversal of 65032866 is 66823056.

It is an interprime number because it is at equal distance from previous prime (65032859) and next prime (65032873).

It is a self number, because there is not a number n which added to its sum of digits gives 65032866.

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 11 ways as a sum of consecutive naturals, for example, 37590 + ... + 39281.

It is an arithmetic number, because the mean of its divisors is an integer number (5996016).

Almost surely, 2^65032866 is an apocalyptic number.

65032866 is an abundant number, since it is smaller than the sum of its proper divisors (78871518).

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

65032866 is a wasteful number, since it uses less digits than its factorization.

65032866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76926 (or 76923 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 65032866 is about 8064.2957535051. The cubic root of 65032866 is about 402.1403311957.

The spelling of 65032866 in words is "sixty-five million, thirty-two thousand, eight hundred sixty-six".