65993316 has 12 divisors (see below), whose sum is σ = 153984432. Its totient is φ = 21997768.

The previous prime is 65993309. The next prime is 65993351. The reversal of 65993316 is 61339956.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2749710 + ... + 2749733.

It is an arithmetic number, because the mean of its divisors is an integer number (12832036).

Almost surely, 2^65993316 is an apocalyptic number.

It is an amenable number.

65993316 is an abundant number, since it is smaller than the sum of its proper divisors (87991116).

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

65993316 is a wasteful number, since it uses less digits than its factorization.

65993316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499450 (or 5499448 counting only the distinct ones).

The product of its digits is 131220, while the sum is 42.

The square root of 65993316 is about 8123.6270224574. The cubic root of 65993316 is about 404.1103593550.

The spelling of 65993316 in words is "sixty-five million, nine hundred ninety-three thousand, three hundred sixteen".