6661295 has 8 divisors (see below), whose sum is σ = 8209824. Its totient is φ = 5184864.

The previous prime is 6661279. The next prime is 6661301. The reversal of 6661295 is 5921666.

It is a happy number.

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 6661295 - 2⁴ = 6661279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 17819 + ... + 18188.

It is an arithmetic number, because the mean of its divisors is an integer number (1026228).

Almost surely, 2^6661295 is an apocalyptic number.

6661295 is a deficient number, since it is larger than the sum of its proper divisors (1548529).

6661295 is a wasteful number, since it uses less digits than its factorization.

6661295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049.

The product of its digits is 19440, while the sum is 35.

The square root of 6661295 is about 2580.9484690710. The cubic root of 6661295 is about 188.1566428747.

The spelling of 6661295 in words is "six million, six hundred sixty-one thousand, two hundred ninety-five".