6660955 has 8 divisors (see below), whose sum is σ = 9135072. Its totient is φ = 4567488.

The previous prime is 6660949. The next prime is 6660959. The reversal of 6660955 is 5590666.

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 a de Polignac number, because none of the positive numbers 2^k-6660955 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660959) 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, 95122 + ... + 95191.

It is an arithmetic number, because the mean of its divisors is an integer number (1141884).

Almost surely, 2^6660955 is an apocalyptic number.

6660955 is a deficient number, since it is larger than the sum of its proper divisors (2474117).

6660955 is a wasteful number, since it uses less digits than its factorization.

6660955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190325.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 6660955 is about 2580.8826009720. The cubic root of 6660955 is about 188.1534415779.

The spelling of 6660955 in words is "six million, six hundred sixty thousand, nine hundred fifty-five".