6662000 has 40 divisors (see below), whose sum is σ = 16113552. Its totient is φ = 2664000.

The previous prime is 6661997. The next prime is 6662003. The reversal of 6662000 is 2666.

It is an interprime number because it is at equal distance from previous prime (6661997) and next prime (6662003).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 3665.

Almost surely, 2^6662000 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 6662000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8056776).

6662000 is an abundant number, since it is smaller than the sum of its proper divisors (9451552).

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

6662000 is a wasteful number, since it uses less digits than its factorization.

6662000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6662000 is about 2581.0850431553. The cubic root of 6662000 is about 188.1632805107.

Adding to 6662000 its reverse (2666), we get a palindrome (6664666).

The spelling of 6662000 in words is "six million, six hundred sixty-two thousand".