65570063 has 16 divisors (see below), whose sum is σ = 73211040. Its totient is φ = 58341504.

The previous prime is 65570039. The next prime is 65570077. The reversal of 65570063 is 36007556.

65570063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65570063 - 2⁸ = 65569807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65570023) 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, 39845 + ... + 41457.

It is an arithmetic number, because the mean of its divisors is an integer number (4575690).

Almost surely, 2^65570063 is an apocalyptic number.

65570063 is a deficient number, since it is larger than the sum of its proper divisors (7640977).

65570063 is a wasteful number, since it uses less digits than its factorization.

65570063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 65570063 is about 8097.5343778214. The cubic root of 65570063 is about 403.2445752525.

The spelling of 65570063 in words is "sixty-five million, five hundred seventy thousand, sixty-three".