41666658 has 64 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 11828160.

The previous prime is 41666657. The next prime is 41666671. The reversal of 41666658 is 85666614.

41666658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×41666658² = 3472220777777928, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41666657) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 186735 + ... + 186957.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 2^41666658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41666658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48384000).

41666658 is an abundant number, since it is smaller than the sum of its proper divisors (55101342).

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

41666658 is a wasteful number, since it uses less digits than its factorization.

41666658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its digits is 207360, while the sum is 42.

The square root of 41666658 is about 6454.9715723619. The cubic root of 41666658 is about 346.6806131388.

It can be divided in two parts, 41666 and 658, that added together give a palindrome (42324).

The spelling of 41666658 in words is "forty-one million, six hundred sixty-six thousand, six hundred fifty-eight".