65504166 has 32 divisors (see below), whose sum is σ = 161242368. Its totient is φ = 17275680.

The previous prime is 65504143. The next prime is 65504203. The reversal of 65504166 is 66140556.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59440 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (5038824).

Almost surely, 2^65504166 is an apocalyptic number.

65504166 is an abundant number, since it is smaller than the sum of its proper divisors (95738202).

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

65504166 is a wasteful number, since it uses less digits than its factorization.

65504166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119996.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 65504166 is about 8093.4644003665. The cubic root of 65504166 is about 403.1094449139.

The spelling of 65504166 in words is "sixty-five million, five hundred four thousand, one hundred sixty-six".