41666562 has 120 divisors (see below), whose sum is σ = 112972860. Its totient is φ = 11430720.

The previous prime is 41666557. The next prime is 41666587. The reversal of 41666562 is 26566614.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37344321 + 4322241 = 6111^2 + 2079^2 .

It is a super-2 number, since 2×41666562² = 3472204777799688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 230112 + ... + 230292.

Almost surely, 2^41666562 is an apocalyptic number.

41666562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 41666562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56486430).

41666562 is an abundant number, since it is smaller than the sum of its proper divisors (71306298).

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

41666562 is a wasteful number, since it uses less digits than its factorization.

41666562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 222 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 41666562 is about 6454.9641362288. The cubic root of 41666562 is about 346.6803468878.

The spelling of 41666562 in words is "forty-one million, six hundred sixty-six thousand, five hundred sixty-two".