65998316 has 36 divisors (see below), whose sum is σ = 124964112. Its totient is φ = 30440256.

The previous prime is 65998313. The next prime is 65998327. The reversal of 65998316 is 61389956.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65998313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76946 + ... + 77798.

Almost surely, 2^65998316 is an apocalyptic number.

It is an amenable number.

65998316 is a deficient number, since it is larger than the sum of its proper divisors (58965796).

65998316 is a wasteful number, since it uses less digits than its factorization.

65998316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 907 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 65998316 is about 8123.9347609394. The cubic root of 65998316 is about 404.1205649379.

The spelling of 65998316 in words is "sixty-five million, nine hundred ninety-eight thousand, three hundred sixteen".