6551967 has 8 divisors (see below), whose sum is σ = 8769280. Its totient is φ = 4351320.

The previous prime is 6551959. The next prime is 6551983. The reversal of 6551967 is 7691556.

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

It is not a de Polignac number, because 6551967 - 2³ = 6551959 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551917) 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, 3217 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (1096160).

Almost surely, 2^6551967 is an apocalyptic number.

6551967 is a deficient number, since it is larger than the sum of its proper divisors (2217313).

6551967 is a wasteful number, since it uses less digits than its factorization.

6551967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333.

The product of its digits is 56700, while the sum is 39.

The square root of 6551967 is about 2559.6810348166. The cubic root of 6551967 is about 187.1215905919.

The spelling of 6551967 in words is "six million, five hundred fifty-one thousand, nine hundred sixty-seven".