6616201 has 4 divisors (see below), whose sum is σ = 6728400. Its totient is φ = 6504004.

The previous prime is 6616189. The next prime is 6616217. The reversal of 6616201 is 1026166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1026166 = 2 ⋅513083.

It is a cyclic number.

It is not a de Polignac number, because 6616201 - 2⁷ = 6616073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6616231) 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, 56011 + ... + 56128.

It is an arithmetic number, because the mean of its divisors is an integer number (1682100).

Almost surely, 2^6616201 is an apocalyptic number.

It is an amenable number.

6616201 is a deficient number, since it is larger than the sum of its proper divisors (112199).

6616201 is a wasteful number, since it uses less digits than its factorization.

6616201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112198.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6616201 is about 2572.1976984672. The cubic root of 6616201 is about 187.7311022981.

The spelling of 6616201 in words is "six million, six hundred sixteen thousand, two hundred one".