65446066 has 12 divisors (see below), whose sum is σ = 114196878. Its totient is φ = 28048272.

The previous prime is 65446037. The next prime is 65446067. The reversal of 65446066 is 66064456.

65446066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59613841 + 5832225 = 7721^2 + 2415^2 .

It is not an unprimeable number, because it can be changed into a prime (65446067) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 333811 + ... + 334006.

Almost surely, 2^65446066 is an apocalyptic number.

65446066 is a deficient number, since it is larger than the sum of its proper divisors (48750812).

65446066 is a wasteful number, since it uses less digits than its factorization.

65446066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667833 (or 667826 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 65446066 is about 8089.8742882693. The cubic root of 65446066 is about 402.9902281371.

The spelling of 65446066 in words is "sixty-five million, four hundred forty-six thousand, sixty-six".