41666538 has 16 divisors (see below), whose sum is σ = 84699936. Its totient is φ = 13661040.

The previous prime is 41666497. The next prime is 41666557. The reversal of 41666538 is 83566614.

It is a super-2 number, since 2×41666538² = 3472200777810888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41666496 and 41666505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56556 + ... + 57287.

It is an arithmetic number, because the mean of its divisors is an integer number (5293746).

Almost surely, 2^41666538 is an apocalyptic number.

41666538 is an abundant number, since it is smaller than the sum of its proper divisors (43033398).

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

41666538 is a wasteful number, since it uses less digits than its factorization.

41666538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113909.

The product of its digits is 103680, while the sum is 39.

The square root of 41666538 is about 6454.9622771942. The cubic root of 41666538 is about 346.6802803250.

The spelling of 41666538 in words is "forty-one million, six hundred sixty-six thousand, five hundred thirty-eight".