65983366 has 8 divisors (see below), whose sum is σ = 103278384. Its totient is φ = 31557240.

The previous prime is 65983303. The next prime is 65983367. The reversal of 65983366 is 66338956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1434421 = 65983366 / (6 + 5 + 9 + 8 + 3 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65983367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717165 + ... + 717256.

It is an arithmetic number, because the mean of its divisors is an integer number (12909798).

Almost surely, 2^65983366 is an apocalyptic number.

65983366 is a deficient number, since it is larger than the sum of its proper divisors (37295018).

65983366 is a wasteful number, since it uses less digits than its factorization.

65983366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434446.

The product of its digits is 699840, while the sum is 46.

The square root of 65983366 is about 8123.0145881932. The cubic root of 65983366 is about 404.0900487114.

The spelling of 65983366 in words is "sixty-five million, nine hundred eighty-three thousand, three hundred sixty-six".