65330166 has 32 divisors (see below), whose sum is σ = 148739328. Its totient is φ = 18935840.

The previous prime is 65330149. The next prime is 65330191. The reversal of 65330166 is 66103356.

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, 20001 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (4648104).

Almost surely, 2^65330166 is an apocalyptic number.

65330166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65330166 is an abundant number, since it is smaller than the sum of its proper divisors (83409162).

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

65330166 is a wasteful number, since it uses less digits than its factorization.

65330166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43076.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 65330166 is about 8082.7078383423. The cubic root of 65330166 is about 402.7521992342.

The spelling of 65330166 in words is "sixty-five million, three hundred thirty thousand, one hundred sixty-six".