65035666 has 4 divisors (see below), whose sum is σ = 97553502. Its totient is φ = 32517832.

The previous prime is 65035657. The next prime is 65035673. The reversal of 65035666 is 66653056.

It is a happy number.

65035666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 28783225 = 6021^2 + 5365^2 .

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 as a sum of consecutive naturals, namely, 16258915 + ... + 16258918.

Almost surely, 2^65035666 is an apocalyptic number.

65035666 is a deficient number, since it is larger than the sum of its proper divisors (32517836).

65035666 is a wasteful number, since it uses less digits than its factorization.

65035666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32517835.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 65035666 is about 8064.4693563805. The cubic root of 65035666 is about 402.1461025174.

The spelling of 65035666 in words is "sixty-five million, thirty-five thousand, six hundred sixty-six".