6659145 has 32 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 3510720.

The previous prime is 6659113. The next prime is 6659201. The reversal of 6659145 is 5419566.

6659145 is a `hidden beast` number, since 66 + 591 + 4 + 5 = 666.

6659145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6659145 - 2⁵ = 6659113 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14215 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 2^6659145 is an apocalyptic number.

It is an amenable number.

6659145 is a deficient number, since it is larger than the sum of its proper divisors (5315895).

6659145 is a wasteful number, since it uses less digits than its factorization.

6659145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 576 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 6659145 is about 2580.5319219107. The cubic root of 6659145 is about 188.1363975464.

The spelling of 6659145 in words is "six million, six hundred fifty-nine thousand, one hundred forty-five".