65613163 has 16 divisors (see below), whose sum is σ = 82607616. Its totient is φ = 50624640.

The previous prime is 65613151. The next prime is 65613179. The reversal of 65613163 is 36131656.

It is not a de Polignac number, because 65613163 - 2¹⁷ = 65482091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65613103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3795 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (5162976).

Almost surely, 2^65613163 is an apocalyptic number.

65613163 is a deficient number, since it is larger than the sum of its proper divisors (16994453).

65613163 is a wasteful number, since it uses less digits than its factorization.

65613163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394.

The product of its digits is 9720, while the sum is 31.

The square root of 65613163 is about 8100.1952445605. The cubic root of 65613163 is about 403.3329084226.

The spelling of 65613163 in words is "sixty-five million, six hundred thirteen thousand, one hundred sixty-three".