6551657 has 8 divisors (see below), whose sum is σ = 7530432. Its totient is φ = 5583600.

The previous prime is 6551653. The next prime is 6551689. The reversal of 6551657 is 7561556.

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 6551657 - 2² = 6551653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6551653) 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, 1319 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (941304).

Almost surely, 2^6551657 is an apocalyptic number.

It is an amenable number.

6551657 is a deficient number, since it is larger than the sum of its proper divisors (978775).

6551657 is a wasteful number, since it uses less digits than its factorization.

6551657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359.

The product of its digits is 31500, while the sum is 35.

The square root of 6551657 is about 2559.6204796805. The cubic root of 6551657 is about 187.1186393862.

The spelling of 6551657 in words is "six million, five hundred fifty-one thousand, six hundred fifty-seven".