65849912 has 8 divisors (see below), whose sum is σ = 123468600. Its totient is φ = 32924952.

The previous prime is 65849911. The next prime is 65849929. The reversal of 65849912 is 21994856.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65849911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115612 + ... + 4115627.

It is an arithmetic number, because the mean of its divisors is an integer number (15433575).

Almost surely, 2^65849912 is an apocalyptic number.

It is an amenable number.

65849912 is a deficient number, since it is larger than the sum of its proper divisors (57618688).

65849912 is a wasteful number, since it uses less digits than its factorization.

65849912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231245 (or 8231241 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 65849912 is about 8114.7958692748. The cubic root of 65849912 is about 403.8174354032.

The spelling of 65849912 in words is "sixty-five million, eight hundred forty-nine thousand, nine hundred twelve".