65201066 has 24 divisors (see below), whose sum is σ = 114076836. Its totient is φ = 27867840.

The previous prime is 65201063. The next prime is 65201093. The reversal of 65201066 is 66010256.

It can be written as a sum of positive squares in 2 ways, for example, as 65141041 + 60025 = 8071^2 + 245^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65201063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50420 + ... + 51696.

Almost surely, 2^65201066 is an apocalyptic number.

65201066 is a deficient number, since it is larger than the sum of its proper divisors (48875770).

65201066 is a wasteful number, since it uses less digits than its factorization.

65201066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 65201066 is about 8074.7177040439. The cubic root of 65201066 is about 402.4867292411.

The spelling of 65201066 in words is "sixty-five million, two hundred one thousand, sixty-six".