6665061 has 8 divisors (see below), whose sum is σ = 9570400. Its totient is φ = 4101552.

The previous prime is 6665059. The next prime is 6665063. The reversal of 6665061 is 1605666.

It is an interprime number because it is at equal distance from previous prime (6665059) and next prime (6665063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6665061 - 2¹ = 6665059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665063) 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, 85411 + ... + 85488.

It is an arithmetic number, because the mean of its divisors is an integer number (1196300).

Almost surely, 2^6665061 is an apocalyptic number.

It is an amenable number.

6665061 is a deficient number, since it is larger than the sum of its proper divisors (2905339).

6665061 is a wasteful number, since it uses less digits than its factorization.

6665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170915.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6665061 is about 2581.6779427341. The cubic root of 6665061 is about 188.1920946611.

The spelling of 6665061 in words is "six million, six hundred sixty-five thousand, sixty-one".