6661050 has 72 divisors (see below), whose sum is σ = 18207168. Its totient is φ = 1610400.

The previous prime is 6661049. The next prime is 6661069. The reversal of 6661050 is 501666.

It is a self number, because there is not a number n which added to its sum of digits gives 6661050.

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 35 ways as a sum of consecutive naturals, for example, 17967 + ... + 18333.

Almost surely, 2^6661050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6661050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9103584).

6661050 is an abundant number, since it is smaller than the sum of its proper divisors (11546118).

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

6661050 is a wasteful number, since it uses less digits than its factorization.

6661050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 6661050 is about 2580.9010054630. The cubic root of 6661050 is about 188.1543360689.

It can be divided in two parts, 66 and 61050, that added together give a palindrome (61116).

The spelling of 6661050 in words is "six million, six hundred sixty-one thousand, fifty".