65550166 has 16 divisors (see below), whose sum is σ = 107989200. Its totient is φ = 29594080.

The previous prime is 65550143. The next prime is 65550193. The reversal of 65550166 is 66105556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6721 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (6749325).

Almost surely, 2^65550166 is an apocalyptic number.

65550166 is a deficient number, since it is larger than the sum of its proper divisors (42439034).

65550166 is a wasteful number, since it uses less digits than its factorization.

65550166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 65550166 is about 8096.3057007502. The cubic root of 65550166 is about 403.2037834204.

The spelling of 65550166 in words is "sixty-five million, five hundred fifty thousand, one hundred sixty-six".