6618164 has 36 divisors (see below), whose sum is σ = 13650336. Its totient is φ = 2750064.

The previous prime is 6618127. The next prime is 6618169. The reversal of 6618164 is 4618166.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6618164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6618169) 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, 61799 + ... + 61905.

It is an arithmetic number, because the mean of its divisors is an integer number (379176).

Almost surely, 2^6618164 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 6618164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6825168).

6618164 is an abundant number, since it is smaller than the sum of its proper divisors (7032172).

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

6618164 is a wasteful number, since it uses less digits than its factorization.

6618164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 163 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6618164 is about 2572.5792504800. The cubic root of 6618164 is about 187.7496668144.

The spelling of 6618164 in words is "six million, six hundred eighteen thousand, one hundred sixty-four".