65106566 has 32 divisors (see below), whose sum is σ = 122264640. Its totient is φ = 25353216.

The previous prime is 65106563. The next prime is 65106571. The reversal of 65106566 is 66560156.

65106566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65106563) 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 15 ways as a sum of consecutive naturals, for example, 2186 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (3820770).

Almost surely, 2^65106566 is an apocalyptic number.

65106566 is a deficient number, since it is larger than the sum of its proper divisors (57158074).

65106566 is a wasteful number, since it uses less digits than its factorization.

65106566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 65106566 is about 8068.8639844776. The cubic root of 65106566 is about 402.2921854575.

The spelling of 65106566 in words is "sixty-five million, one hundred six thousand, five hundred sixty-six".