65504163 has 8 divisors (see below), whose sum is σ = 87382800. Its totient is φ = 43647488.

The previous prime is 65504143. The next prime is 65504203. The reversal of 65504163 is 36140556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65504163 - 2¹³ = 65495971 is a prime.

It is a super-3 number, since 3×65504163³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65504163.

It is not an unprimeable number, because it can be changed into a prime (65504113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (10922850).

Almost surely, 2^65504163 is an apocalyptic number.

65504163 is a deficient number, since it is larger than the sum of its proper divisors (21878637).

65504163 is a wasteful number, since it uses less digits than its factorization.

65504163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65504163 is about 8093.4642150318. The cubic root of 65504163 is about 403.1094387599.

The spelling of 65504163 in words is "sixty-five million, five hundred four thousand, one hundred sixty-three".