6365660 has 48 divisors (see below), whose sum is σ = 15664320. Its totient is φ = 2127360.

The previous prime is 6365657. The next prime is 6365663. The reversal of 6365660 is 665636.

It is an interprime number because it is at equal distance from previous prime (6365657) and next prime (6365663).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6365663) 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, 5186 + ... + 6294.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^6365660 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 6365660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7832160).

6365660 is an abundant number, since it is smaller than the sum of its proper divisors (9298660).

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

6365660 is a wasteful number, since it uses less digits than its factorization.

6365660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 6365660 is about 2523.0259610238. The cubic root of 6365660 is about 185.3308906509.

The spelling of 6365660 in words is "six million, three hundred sixty-five thousand, six hundred sixty".