6666492 has 48 divisors (see below), whose sum is σ = 18717440. Its totient is φ = 1804032.

The previous prime is 6666487. The next prime is 6666509. The reversal of 6666492 is 2946666.

It is a self number, because there is not a number n which added to its sum of digits gives 6666492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493 + ... + 3684.

Almost surely, 2^6666492 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 6666492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9358720).

6666492 is an abundant number, since it is smaller than the sum of its proper divisors (12050948).

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

6666492 is a wasteful number, since it uses less digits than its factorization.

6666492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4208 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 6666492 is about 2581.9550731955. The cubic root of 6666492 is about 188.2055620856.

The spelling of 6666492 in words is "six million, six hundred sixty-six thousand, four hundred ninety-two".