6665377 has 8 divisors (see below), whose sum is σ = 7364736. Its totient is φ = 6000192.

The previous prime is 6665369. The next prime is 6665383. The reversal of 6665377 is 7735666.

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 6665377 - 2³ = 6665369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665317) 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 7 ways as a sum of consecutive naturals, for example, 8133 + ... + 8914.

It is an arithmetic number, because the mean of its divisors is an integer number (920592).

Almost surely, 2^6665377 is an apocalyptic number.

It is an amenable number.

6665377 is a deficient number, since it is larger than the sum of its proper divisors (699359).

6665377 is a wasteful number, since it uses less digits than its factorization.

6665377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087.

The product of its digits is 158760, while the sum is 40.

The square root of 6665377 is about 2581.7391425161. The cubic root of 6665377 is about 188.1950687656.

The spelling of 6665377 in words is "six million, six hundred sixty-five thousand, three hundred seventy-seven".