65061066 has 64 divisors (see below), whose sum is σ = 158588928. Its totient is φ = 17390208.

The previous prime is 65061053. The next prime is 65061067. The reversal of 65061066 is 66016056.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65061067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44686 + ... + 46118.

It is an arithmetic number, because the mean of its divisors is an integer number (2477952).

Almost surely, 2^65061066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65061066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79294464).

65061066 is an abundant number, since it is smaller than the sum of its proper divisors (93527862).

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

65061066 is a wasteful number, since it uses less digits than its factorization.

65061066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 65061066 is about 8066.0440117817. The cubic root of 65061066 is about 402.1984490843.

It can be divided in two parts, 6506 and 1066, that multiplied together give a palindrome (6935396).

The spelling of 65061066 in words is "sixty-five million, sixty-one thousand, sixty-six".