65102166 has 48 divisors (see below), whose sum is σ = 145828800. Its totient is φ = 20974464.

The previous prime is 65102143. The next prime is 65102171. The reversal of 65102166 is 66120156.

It is a happy number.

65102166 is a `hidden beast` number, since 651 + 0 + 2 + 1 + 6 + 6 = 666.

65102166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158970 + ... + 159378.

It is an arithmetic number, because the mean of its divisors is an integer number (3038100).

Almost surely, 2^65102166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65102166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72914400).

65102166 is an abundant number, since it is smaller than the sum of its proper divisors (80726634).

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

65102166 is a wasteful number, since it uses less digits than its factorization.

65102166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 65102166 is about 8068.5913268674. The cubic root of 65102166 is about 402.2831227490.

The spelling of 65102166 in words is "sixty-five million, one hundred two thousand, one hundred sixty-six".