65937816 has 48 divisors (see below), whose sum is σ = 204094800. Its totient is φ = 18839232.

The previous prime is 65937763. The next prime is 65937853. The reversal of 65937816 is 61873956.

It is a happy number.

65937816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64911 + ... + 65918.

It is an arithmetic number, because the mean of its divisors is an integer number (4251975).

Almost surely, 2^65937816 is an apocalyptic number.

It is an amenable number.

65937816 is an abundant number, since it is smaller than the sum of its proper divisors (138156984).

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

65937816 is a wasteful number, since it uses less digits than its factorization.

65937816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130848 (or 130841 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 65937816 is about 8120.2103421032. The cubic root of 65937816 is about 403.9970427519.

The spelling of 65937816 in words is "sixty-five million, nine hundred thirty-seven thousand, eight hundred sixteen".