93866161 has 4 divisors (see below), whose sum is σ = 93923172. Its totient is φ = 93809152.

The previous prime is 93866153. The next prime is 93866177. The reversal of 93866161 is 16166839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88830625 + 5035536 = 9425^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 93866161 - 2³ = 93866153 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93866761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25960 + ... + 29353.

It is an arithmetic number, because the mean of its divisors is an integer number (23480793).

Almost surely, 2^93866161 is an apocalyptic number.

It is an amenable number.

93866161 is a deficient number, since it is larger than the sum of its proper divisors (57011).

93866161 is a wasteful number, since it uses less digits than its factorization.

93866161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57010.

The product of its digits is 46656, while the sum is 40.

The square root of 93866161 is about 9688.4550367951. The cubic root of 93866161 is about 454.4676961424.

The spelling of 93866161 in words is "ninety-three million, eight hundred sixty-six thousand, one hundred sixty-one".