65166097 has 8 divisors (see below), whose sum is σ = 68017320. Its totient is φ = 62375040.

The previous prime is 65166077. The next prime is 65166131. The reversal of 65166097 is 79066156.

65166097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11128896 + 54037201 = 3336^2 + 7351^2 .

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 65166097 - 2¹⁹ = 64641809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65166037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12822 + ... + 17167.

It is an arithmetic number, because the mean of its divisors is an integer number (8502165).

Almost surely, 2^65166097 is an apocalyptic number.

It is an amenable number.

65166097 is a deficient number, since it is larger than the sum of its proper divisors (2851223).

65166097 is a wasteful number, since it uses less digits than its factorization.

65166097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30083.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 65166097 is about 8072.5520747778. The cubic root of 65166097 is about 402.4147617298.

The spelling of 65166097 in words is "sixty-five million, one hundred sixty-six thousand, ninety-seven".