6646154 has 8 divisors (see below), whose sum is σ = 10045728. Its totient is φ = 3297580.

The previous prime is 6646153. The next prime is 6646163. The reversal of 6646154 is 4516466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6646154.

It is not an unprimeable number, because it can be changed into a prime (6646153) 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 3 ways as a sum of consecutive naturals, for example, 12422 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (1255716).

Almost surely, 2^6646154 is an apocalyptic number.

6646154 is a deficient number, since it is larger than the sum of its proper divisors (3399574).

6646154 is a wasteful number, since it uses less digits than its factorization.

6646154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500.

The product of its digits is 17280, while the sum is 32.

The square root of 6646154 is about 2578.0135763801. The cubic root of 6646154 is about 188.0139758736.

The spelling of 6646154 in words is "six million, six hundred forty-six thousand, one hundred fifty-four".