6664410 has 32 divisors (see below), whose sum is σ = 17772480. Its totient is φ = 1777104.

The previous prime is 6664387. The next prime is 6664417. The reversal of 6664410 is 144666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6664417) 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, 12072 + ... + 12611.

It is an arithmetic number, because the mean of its divisors is an integer number (555390).

Almost surely, 2^6664410 is an apocalyptic number.

6664410 is an abundant number, since it is smaller than the sum of its proper divisors (11108070).

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

6664410 is a wasteful number, since it uses less digits than its factorization.

6664410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24699 (or 24693 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6664410 is about 2581.5518588632. The cubic root of 6664410 is about 188.1859673332.

The spelling of 6664410 in words is "six million, six hundred sixty-four thousand, four hundred ten".