6660797 has 12 divisors (see below), whose sum is σ = 7870464. Its totient is φ = 5587920.

The previous prime is 6660791. The next prime is 6660799. The reversal of 6660797 is 7970666.

It is not a de Polignac number, because 6660797 - 2⁴ = 6660781 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 (6660791) 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 11 ways as a sum of consecutive naturals, for example, 68 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (655872).

Almost surely, 2^6660797 is an apocalyptic number.

It is an amenable number.

6660797 is a deficient number, since it is larger than the sum of its proper divisors (1209667).

6660797 is a wasteful number, since it uses less digits than its factorization.

6660797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 6660797 is about 2580.8519911068. The cubic root of 6660797 is about 188.1519538794.

The spelling of 6660797 in words is "six million, six hundred sixty thousand, seven hundred ninety-seven".