41666664 has 64 divisors (see below), whose sum is σ = 113601600. Its totient is φ = 12658176.

The previous prime is 41666657. The next prime is 41666671. The reversal of 41666664 is 46666614.

41666664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (41666657) and next prime (41666671).

It is a super-2 number, since 2×41666664² = 3472221777777792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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

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, 25092 + ... + 26700.

It is an arithmetic number, because the mean of its divisors is an integer number (1775025).

Almost surely, 2^41666664 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 41666664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56800800).

41666664 is an abundant number, since it is smaller than the sum of its proper divisors (71934936).

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

41666664 is a wasteful number, since it uses less digits than its factorization.

41666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1710 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 41666664 is about 6454.9720371199. The cubic root of 41666664 is about 346.6806297795.

The spelling of 41666664 in words is "forty-one million, six hundred sixty-six thousand, six hundred sixty-four".