6566172 has 48 divisors (see below), whose sum is σ = 16665600. Its totient is φ = 2004480.

The previous prime is 6566171. The next prime is 6566177. The reversal of 6566172 is 2716656.

It is a super-2 number, since 2×6566172² = 86229229467168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (347200).

Almost surely, 2^6566172 is an apocalyptic number.

6566172 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6566172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8332800).

6566172 is an abundant number, since it is smaller than the sum of its proper divisors (10099428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566172 is a wasteful number, since it uses less digits than its factorization.

6566172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 984 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 6566172 is about 2562.4542922753. The cubic root of 6566172 is about 187.2567227116.

The spelling of 6566172 in words is "six million, five hundred sixty-six thousand, one hundred seventy-two".