6550164 has 36 divisors (see below), whose sum is σ = 16874676. Its totient is φ = 2141568.

The previous prime is 6550163. The next prime is 6550169. The reversal of 6550164 is 4610556.

It is a happy number.

6550164 is a `hidden beast` number, since 655 + 0 + 1 + 6 + 4 = 666.

6550164 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 3090564 = 1860^2 + 1758^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (468741).

Almost surely, 2^6550164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6550164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437338).

6550164 is an abundant number, since it is smaller than the sum of its proper divisors (10324512).

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

6550164 is a wasteful number, since it uses less digits than its factorization.

6550164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 6550164 is about 2559.3288182647. The cubic root of 6550164 is about 187.1044246945.

The spelling of 6550164 in words is "six million, five hundred fifty thousand, one hundred sixty-four".