6666192 has 80 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 2049408.

The previous prime is 6666173. The next prime is 6666203. The reversal of 6666192 is 2916666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5023 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^6666192 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 6666192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10311840).

6666192 is an abundant number, since it is smaller than the sum of its proper divisors (13957488).

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

6666192 is a wasteful number, since it uses less digits than its factorization.

6666192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1205 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6666192 is about 2581.8969770306. The cubic root of 6666192 is about 188.2027388858.

The spelling of 6666192 in words is "six million, six hundred sixty-six thousand, one hundred ninety-two".