3666101 has 4 divisors (see below), whose sum is σ = 3881772. Its totient is φ = 3450432.

The previous prime is 3666077. The next prime is 3666119. The reversal of 3666101 is 1016663.

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 3243601 + 422500 = 1801^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666101 - 2⁶ = 3666037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107810 + ... + 107843.

It is an arithmetic number, because the mean of its divisors is an integer number (970443).

Almost surely, 2^3666101 is an apocalyptic number.

It is an amenable number.

3666101 is a deficient number, since it is larger than the sum of its proper divisors (215671).

3666101 is a wasteful number, since it uses less digits than its factorization.

3666101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215670.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3666101 is about 1914.7065049244. The cubic root of 3666101 is about 154.1942368353.

The spelling of 3666101 in words is "three million, six hundred sixty-six thousand, one hundred one".