6659371 has 8 divisors (see below), whose sum is σ = 6879824. Its totient is φ = 6441120.

The previous prime is 6659369. The next prime is 6659377. The reversal of 6659371 is 1739566.

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 6659371 - 2¹ = 6659369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6659371.

It is not an unprimeable number, because it can be changed into a prime (6659377) 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, 7381 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (859978).

Almost surely, 2^6659371 is an apocalyptic number.

6659371 is a deficient number, since it is larger than the sum of its proper divisors (220453).

6659371 is a wasteful number, since it uses less digits than its factorization.

6659371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its digits is 34020, while the sum is 37.

The square root of 6659371 is about 2580.5757109606. The cubic root of 6659371 is about 188.1385258649.

The spelling of 6659371 in words is "six million, six hundred fifty-nine thousand, three hundred seventy-one".