6551671 has 8 divisors (see below), whose sum is σ = 7565600. Its totient is φ = 5557248.

The previous prime is 6551653. The next prime is 6551689. The reversal of 6551671 is 1761556.

It is an interprime number because it is at equal distance from previous prime (6551653) and next prime (6551689).

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 6551671 - 2⁵ = 6551639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6552671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (945700).

Almost surely, 2^6551671 is an apocalyptic number.

6551671 is a deficient number, since it is larger than the sum of its proper divisors (1013929).

6551671 is an equidigital number, since it uses as much as digits as its factorization.

6551671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753.

The product of its digits is 6300, while the sum is 31.

The square root of 6551671 is about 2559.6232144595. The cubic root of 6551671 is about 187.1187726684.

The spelling of 6551671 in words is "six million, five hundred fifty-one thousand, six hundred seventy-one".